97 jeep xj no spark. Now turn the key to the ON position. I’ve tried a Bosch ‘‘Red’’ coil pulled from my Saab, still no spark. I also have a 1991 Jeep Wrangler Renegade Edition 4. 50r15 Cooper STT Pros, TruTrac 4. The crank sensor plug has 3 pins. 1193 posts · Joined 2014. I tested both the old and new coils this morning in 55 Sep 14, 2014 · 8 posts · Joined 2014. Also, what should I set the gap at? The vehicle is the 98 xj in my sig. I’ve replaced crank sensor , cam sensor , pcm , tps , replaces and checked all grounds . My buddy's Ranger on the other hand required removing the wheel to access them. Jul 20, 2012 · Late 80's Jeep six cylinder cranking without spark/start May 10, 2024 · 4. 10 front, Spartan locked 4. 25/242. Past Jeeps: 49 Willys, 81 Scrambler, 88 Comanche. Apr 25, 2016 · After 2-3 seconds the ASD should open & kill power to the coil & injectors. -tested CAMSHAFT pos sen. Mar 16, 2007 · weak, inconsistent spark. When misfiring, it also smells rich. Happens when I run the engine hard (Like 4k+ rpm climbing dunes). I've tried replacing the neutral safety switch, starter, coil, pick up coil, crank shaft position sensor, ignition switch, and I've Oct 4, 2009 · 4. ZJ Grand Cherokee Forum. Replaced coil rail and spark plugs. If your gauges are now working, that confirms that you have a failed crank sensor and should replace it with a genuine MOPAR unit. Sep 16, 2008 · Begin with basic trouble shooting of the start and charge systems. Which means everything you need to have to get the engine to fire is there. 0, 4x4, 5 Speed, 4. Replaced the coil and it started so i assumed that was the issue. trac-bar,rugged ridge SYE and RE driveshaft, soft 8's, 35" mud king xt's,XJ HP D30 w/aussie locker, 4:88 yukon gears, hella 500's, rock crusher diff covers Apr 10, 2015 · 96 Xj 4. When you turn the key to start it, nothing happens. I pulled off the spark plug rail & checked for spark at two of the Apr 26, 2009 · Here's a different idea: Check your ignition actuator pin. After reading some posts here, I replaced the HEI module with an Autozone-sourced Duralast DR100 module, and now I get no spark. 0 is a fuel injected vehicle which has a computer to keep the fuel mixture around 14. DESCRIPTION. A good set will set you back $40-$60 or so. But then I noticed my parking lights weren't working either. Apr 4, 2014 · I just installed a used PCM into my 97 Grand Cherokee Laredo 4. Removed boot off of the throttle body and sprayed starter fluid. But when driving it would sometimes just randomly stall Oct 30, 2009 · 37) Relationship between engine speed and vehicle speed indicates no torque converter clutch engagement. Feb 26, 2015 · Key to START and once again the PCM energizes the ASD relay. No Spark!! Apr 3, 2019 · Here I had a random crank no start issue with the 1989 Jeep Cherokee. I was able to determine there was no spark from the coil. Parked jeep, went inside, came back out and it cranks but no start. This means that the CPS/CKP fails when the engine gets hot, but works again when it cools back down. 0 AW4, NP242. Replaced with a known good relay. It basically senses a gap in the flywheel, and tell the ignition coil to throw a spark. OK-Tested CPS (crankshaft pos sen) tested bad (found resistance between what we believe to be B and C terminals. My 1999 Cherokee will not start. 10 rear, SYE, custom gas tank skid , Durango steering box, Yakima roof rack on custom bars Jul 31, 2009 · 1. I am assuming that "afm" is referring to a mass airflow sensor (MAF) which the XJ does not have. A 20 amp mini fuse under the hood blows as soon as i turn key to on position. In jeeps, the crank sensor is used for spark timing. I pulled off the spark plug rail & checked for spark at two of the Nov 10, 2020 · 97 Jeep Xj No start/ crank. It was running shut off and know won’t start back up . I show and explain how I fixed it quick. fuel: key -> computer -> relay -> fuel pump -> fuel rail. 0 no spark or fuel pressure. Your fuel pressure for an 89 should be 31 psi at Oct 31, 2010 · Stay away from the baseline $20 wires. - Starter cranks and cranks but engine won't start up and run. #1 · May 25, 2009. 0L Sport. 0, No spark. ) -Replaced CPS, still no spark-Hooked up OBD2 code reader, no codes. Jan 20, 2010 · Jeeps do not tolerate low voltage or poor grounds and the ECM/ECU may behave oddly until you remedy this. it wont start with starting fluid either. I'm trying to figure out a problem a co-worker has with his xj. Mar 27, 2021 · Back in 2017 I bought a 1994 Jeep Cherokee XJ 4. Kumho MT's on AR767. ee/handyma May 25, 2009 · 4 posts · Joined 2009. I took the coil wire off the distributer cap and tried to arc it but I could not get any spark at all. Still cranks over good but no start. 0. Mar 15, 2015 · To address this, I first replaced the Crankshaft Position Sensor (CPS), which is always the most likely source of a "cranks, won't start" issue, especially when it's temperature-dependent. Bosch is good stuff. Jun 19, 2007 · Its a common thing to go out on the xj. Another trigger wire and coil fires 2 and 5. using the key there are no codes, using a code reader there are no codes. Do not use the 97' manual for 96' trouble codes. Mar 9, 2013 · Typical Symptoms-. Feb 8, 2010 · 1997 XJ cranks but will not fire. Jul 20, 2008 · Sold '00 TJ, 4" lift, rusty's adjustable control arms, skyjacker shocks, rock krawler adj. Look for corroded or damaged cables and replace as needed. I charged the bat today and the thing will not fire, It only cranks. Curtis. Since I bought it, the dash lights had never worked. Again test for spark. Aug 10, 2013 · If you have spark, connect the other pin of your test plug to the neg battery terminal and the other pin to the voltage side of the plug that is supposed to go into the coil. 0 auto 4x4 cranks won't start replaced crank position sensor, cam position sensor, have spark, fuel, - Answered by a verified Jeep Mechanic We use cookies to give you the best possible experience on our website. spark: crankshaft position sensor -> computer -> ignition control module -> coil -> dizzy -> plugs. An open or shorted condition detected in the torque converter part throttle unlock solenoid control circuit. '92 Cherokee 4L HO 4x4. I have fuel pressure at the rail. This test result tells you without a doubt that the no-start condition of your 4. I also tested mine and got a reading, but i decided to replace it anyway. 0 Cranks No spark new cps. 4. Still no start. It cranks but has no spark. You'll have trouble with Any sensor for our 4. 0L w/ automatic transmission. Yep, every Jeep XJ Cherokee owner has to face it sooner or later, your on your way someplac Jan 6, 2015 · Sounds like your ignition switch is shot as well as your starter. 97 TJ 4. 0 engine? cranks briskly? starts and runs 2 seconds or never starts at all? good fuel in tank? fuel rail pressure in psi? spark when cranking? injectors firing while cranking (noid lights or test light)? May 25, 2009 · 4 posts · Joined 2009. There is always voltage from the wire that connects to the coil (the wire that feeds the coil), but there is no spark coming from the coil (the male lead that connects to the distributor). Switch to your 5/8 inch socket and extension to unscrew the spark plugs; then remove them from the engine. The CPS wires can get get burned by the exhaust and short circuit. Ok, so here we go. Oct 12, 2014 · JEEP XJ HEATER - NO HEAT FIX - IT'S PROBABLY NOT THE HEATER CORE. Jan 17, 2009 · Jan 17, 2009. I have tested Crankshaft Position Sensor and it reads that it is good, new cap, rotor, wires, and coil. 0 crank - no start. The following are new in the jeep: crank shaft sensor, disturber including cap, rotor, cam shaft sensor. Has new distributor, distributor cap, distributor Rotor, spark plug wires, spark plugs, coil, Aug 18, 2010 · I am getting no spark from either the coil or distributor. Nov 8, 2008 · 30870 posts · Joined 2002. Cage583 Discussion starter. Cranks but no love. Doesn't seem likely. Sep 3, 2009 · 99% of time no start/spark but cranks over is a bad CPS sensor. It was my daily driver for over a year, and it ran strong, never had an issue starting or anything. 0l I-6 with a no start. info4tim. Well after we did that, still nothing. 0Lthat was traced to no spark at the coil. The spark is there. Cranks and cranks but won't start, is a symptom of a bad Crank Position Sensor (CPS) located on the transmission bell housing. The other thing to check would be the ignition switch. (I also put in a new battery). - Fuel gauge and voltage gauges may not work or display properly. Thanks for reading this. Ultimately, however, I solved this "won't start when warm" problem by also replacing the coolant temperature sensor (there is only one in the 1997+ XJ). Now, a critical element is the crank sensor--no signal from the crank sensor and the PCM won't trigger the coil to provide spark. Jeep died while driving. #1 · Oct 30, 2018. 97 xj 4. So, if the ECU doesn't see the signal from the CPS it will not enable the AutoShutDownRelay. My brother's XJ had the same issue so I pulled it off and cleaned everything, reinstalled and it started right up. 0 Auto 2wd. The Solid State Ignition (SSI) system features a solid state Ignition Control Module (ICM)/ignition coil assembly, Electronic Control Unit (ECU), distributor and engine speed sensor. 2. If thats good check the terminal on the relay for the ground. Rusty's towhook on front, Hidden Hitch out back with shackle. If you have replaced the CPS already, inspect the CPS wires for damage or breakage. As everyone probably knows, it is difficult to find a goodfuse identification list for the Power Distribution Center or find a good wiring diagram. 2) The fuel gauge and the battery gauge on the left side of the dash Nov 24, 2011 · I have an 91 XJS that will not start, there is NO 12V going into the 2 Marelli coils. 0 with auto trans. I get no spark from the coil. Jul 20, 2009 · 1998 cherokee cranks but no spark or gauges,has a p1694 code no engine bus. Nov 28, 2008 · Typical CPS lifespan is about 150-200,000 miles. 7:1. I pulled off the spark plug rail & checked for spark at two of the Mar 1, 2020 · Im no expert though, Im lucky enough to not have a distributor on my jeep. Oct 30, 2018 · 1 post · Joined 2018. No spark, gauges don't react, can hear fuel pump activate when key on, have swapped ASD relay (no change), replaced cam shaft sensor (no change) Replaced crankshaft sensor (no change). I scanned it (think I did it right, virgin scanner) no codes. 0s that are not real MOPAR. May 31, 2021 · Male. 1995 Jeep Cherokee Country 4. 97 XJ, 4. Cranks over strong. IGNITION SYSTEM GENERAL DESCRIPTION. I released the pressure from the fuel manifold and it does not build back up. DISTRIBUTORS & IGNITION SYSTEMS Jeep Solid State Ignition. CASE 2: Spark was NOT present in all of the cylinders (DISTRIBUTOR TYPE). :laugh: I'd also recommend using Champion Copper plugs, they seem to be what the 4. could the tcm cause this problem? Sep 20, 2011 · The 4. Fuel works fine. I had some issues with this jeep dying on my recently. Apr 23, 2012 · -No voltage at coil. O. If no spark, replace the coil. What next. The battery is fully charged. May 22, 2012 · If you don't have any spark, a few primary suspects are the crankshaft position sensor, ignition coil, ignition control module. Dec 19, 2011 · Jeep Grand Cherokee & Commander Forums. 0 brotha's and sista's. Eliminate the NSS as a cause of no start. If I put the key in and turn it to start the starter turns the engine over effectively, however, the engine will not fire up and start/run. Dec 14, 2019 · Jeep cranks over but no start. A friend of mine has an 99 xj with a 3 in lift 4x2, yesterday it did not want to start, it only reads: no bus in the odometer, so I did a self test and it didn´t show any codes, only the "no bus" one, then we checked the spark at the coil and nada, no spark. Jan 17, 2012 · The Jeep XJ was introduced in 1984 not 1997. What is the most likely cause to this sympton, I have changed the front CPS to no result! Is it possibly the ECU! where is it located, passanger side or trunk, or there two. You can see them on the passenger side of the engine when you open the hood. Wiggle the shift lever at the same time you try to start. #1 · Sep 14, 2014. When the vehicle has a vacuum leak it will idle at a higher rpm than normal. Without "data", all you have is an opinion! Nov 24, 2011 · I have an 91 XJS that will not start, there is NO 12V going into the 2 Marelli coils. I have fuel coming out the Schrader valve and she won't even start with starter fluid in the throttle body. Checked for spark at coil rail. From what I understand the NSS is a culprit for this issue. #26 · Jun 26, 2015. From what I've gathered it's supposed to show 5v on one pin and the other acts as a return wire to the ecu. - Fuel gauge and voltage gauge may not work or display properly. if computer can't see crank turning: no spark, and after 3 seconds it opens ASD relay (bosch 30 amp) next to a/c relay which kills power to fuel pump. Jan 25, 2010 · Turn the key on and it should have power. The fix is shown in the video Diagnosis and testing of crankshaft position sensor, spark delivery, and fuel delivery system. it cranks but won't start, although it sounds like it comes real close. If it's an ignition switch problem you'll have voltage at the black/white wire and fuses 13, 14, 15, but no power at the dark blue wire and fuses 9, 10, 11. J-Just. couldn't thread compression gauge but did 'the thumb test' and Mar 2, 2016 · This is my 1997 Jeep XJ (Cherokee) 4. Hi everyone i need some help in a a direction to check on things to test before i send my jeep to the shop. I have +12v at the positive terminal on the coil, but that’s all I know to test. Fuel pressure is good. Apr 4, 2022 · I have been dealing with misfire issues with my 97 on and off for 25,000 miles/5 years (engine has 250K on it). Very similiar, but the 96' OBDII and 97' it's different things. Today it cranks & cranks, but doesn't fire. Nov 29, 2003 · 94 XJ, 4. Nothing. Aug 30, 2011 · The dark blue wire supplies fuses 9,10 and 11 behind the glove box. I tested the primary to the coil and do not get any voltage when trying to start. Residual discharge took about an hour to drop to 5 PSI. #8 · Dec 8, 2022. 1) I do not hear the fuel pump prime when I turn the key in the "on" position. Oct 3, 2021 · Two things to also check is the NSS if the jeep is an automatic. Sep 9, 2015 · Step 2 – Remove the coil rail and spark plugs. There are four 13mm bolts that hold the coil rail to the engine. I have a 1997 Jeep Wrangler 4. searched and Read previous posts, went to the jeep dealer, bought a CPS, replaced it with a factory unit, still no spark or start. When you turn the key on, everything comes on like the stereo lights and dash. ASD circuit tested good, relay is good. camshaft position sensor -> computer -> injectors. 1988 Jeep Cherokee. on the 4. The Autozone website has a set of good wiring diagrams. I replaced the computer and it still will not start. I took it out to a friends house and when I tried to leave it turned over but never would start. org]– // please Oct 1, 2010 · 4 posts · Joined 2019. Like. 25 I'm a Jeep owner and ad-block detectors kinda stink but ads Dec 3, 2005 · IF you turn the ignition to RUN, the fuel pump should run for about 2 seconds to pressurize the fuel line. A self help video for your 1988 and up jeep Cherokee. OK, Here is the deal. Never find anything wrong. Every 5v system is acting up. I checked for spark and I have none, even at the coil. - Starter cranks and cranks but engine won't start up. -Swapped his ASD relay into my jeep and it fired right up. I checked the fuel pump first because Feb 2, 2008 · Check the ASD relay fuse. :thumbsup: Dec 4, 2013 · 2000 XJ sport, 4. All had spark but 1. Typical CPS Symptoms, (not all symptoms may be present, or occur at the same time) -. Aug 13, 2009 · 96 xj 4. I've checked absolutely everything including leak down and compression. The pump gas also isn´t working, and when you put the key May 5, 2023 · The jeep just quit running. When you turn the key to start & the engine starts cranking you should get the ASD closing & 12v power back to the coil & injectors if the PCM sees a signal from the crank sensor. And the #1 on the distributor is closest to the fender, not the block. And fuel gauge says empty although I know it has fuel . Dec 8, 2022 · One trigger wire and coil fires 1 and 6. I really don't understand how MSD wires could confuse the computer. Mike B. Rebuilt AW4 in January, '03. org]– // please Jul 28, 2010 · Johnno Discussion starter. On my wife's XJ did the same as described. Dec 16, 2006 · 118 posts · Joined 2006. Jul 9, 2009 · 97 jeep NO SPARK GAUGES DON'T MOVE. Dec 19, 2017 · Hello all, new to the forum. The third trigger wire and coil fires 3 and 4. I was told by one of my friends that my tail lights were out. I experienced a no start condition on my 1996 Cherokee 4. #1. Remove, clean, and firmly reconnect all the wires and cables to the battery, starter, and alternator. 2000 Jeep XJ 4. After this time the ECU depends on the pulse from the CPS to keep the ignition and fuel pump running. 0, AW4, 231J, Dana 30, C8. Nov 29, 2003 · It is a 1996 and it has been sitting for a while. #Reni Apr 26, 2009 · Here's a different idea: Check your ignition actuator pin. 0 that suddenly died while driving and will not start. 9 - airbag, 10 - cluster, 11 - coil side of ASD and fuel relays in the PDC. 0L. It's good info. Well, I started this thread for a little help and to aid all our 4. Jul 13, 2011 · When it doesn't start, there is no spark coming from the ignition coil. Lack of spark in the jeep is a dead or dying CranKshaft Position sensor. 0L 6-Cylinder. so yes 1 and 6 could fire while others do not. 95 jeep cherokee sport 4 door. This is my dad's 1999 ZJ with a 4. Jan 31, 2017 · 97 Cherokee xj 4. If a spark is produced check the wiring for faults if the wiring is good, the PCM has failed. If that sensor is bad, you will get no spark. There is power to the coil. Ran perfectly yesterday, when he parked it in the garage. 0, auto. Yesterday, driving home in the rain, Jeep just dies. #2 · Nov 8, 2008. - You sometimes will have No Bus on the odometer after 30-60 seconds. No signal, ASD stays open. No spark. 0 likes best. I have a 1997 Jeep Cherokee 4. Mar 23, 2021 · Jeep is in great shape, with what appears to be un-touched wiring by a P. So I checked the bulbs, they seemed to be fine but I replaced them anyway. Aug 18, 2010 · I am getting no spark from either the coil or distributor. That means that you could have both a fuel delivery problem and a spark problem. (CranKshaft Position or CKP the way it is typed is one of my way prior original posts. On my sisters 1989 Cherokee Last week it wouldnt start due to no spark so we figured it just needed a tune up so we pu a coil , cap, rotor, plugs, & wires. Nice. Apr 6, 2008 · I have a 97 4. I'm by no means a mechanic so I may not be explaining This correctly. - Random stalling. Dec 13, 2009 · Jeep Cherokee & Comanche Forums. Tried replacing fuel pump relay with mine, no luck. it's an '88 XJ with the 4. Put the transmission in Neutral and do the same. Injectors are not firing and no spark from the distributor. You can here the engine kinda bog itself down in the video. 145k miles, bought it in march of '02. Same problem. The problem is your jeep is not starting and you have no spark. But it sounds like you may have a couple plug wires crossed. I went out to my Jeep this morning to go to work and it'll crank and crank but not start. 99 Cherokee, 4. no spark, no fuel pumping, changed cap,rotor, coil, plugs, wires, crank and cam sensor, and relay cubes /fuses Dec 2, 2019 · Been having an issue for a few months. Crank Position Sensors can have intermittent "thermal failure". 0L is about as easy as it gets for changing spark plugs. Coil is new. The first time it died I was pulling into my drive way in 1st gear as I have a rough driveway. In process of testing I checked fuel pressure at the rail and found it to be exactly 40 PSI. It has fuel and spark but while it is cranking the spark seems to pulsate (intermittent). When i came to a stop to talk to the wife it just shut off like I switched the Sep 17, 2007 · I just installed the Firepower Ignition Kit and I am curious what spark plugs I should get. 0 that will crank but not start. So I went out and bought a new coil ($40). I just bought it 2000 miles ago. Do the same for the grounding wires from the battery and engine to the Cherokee's frame/body. My sister was driving it the other day and as she was going down the road it just stopped running on her and she had to coast to the side of the road. Cranks, but no start. 95 cherokee sport 4 door 4wd. crank senser is good ecm good checked fuses cleaned all the grounds. got it from an auction so it's history is unknown. What complicates this a bit is that it has been starting recently with starting fluid. I can Nov 28, 2008 · Typical CPS lifespan is about 150-200,000 miles. #4 · Aug 4, 2019. It's not getting fuel or spark. I can jump the terminals at the relay and get the fuel pump to kick on but thats the only way. Symptoms -. pulled the coil rail, no spark from coils 1-6. 5" RC Long Arm Kit. This happens intermittently. If thats good get a long piece of wire that you know works and connect it to the positive wire at the fuel pump. Without "data", all you have is an opinion! Mar 27, 2021 · 3rd. 35 posts · Joined 2010. Now, with no spark in any of the engine cylinders, this what I would suggest: Nov 28, 2020 · I hope you found this video useful and please visit my channel for other informational videos and also please check out my Linktree https://linktr. Oct 6, 2013 · Go to: NO START 2: Checking Fuel. I tried a new wire and that did not work. Feb 6, 2018 · Jeep won’t start , no spark , fuel pump doesn’t turn on . I left my dome light on over the weekend. #1 · Jul 28, 2010. When turning the key to start, it should shut off power to all electronics inside the jeep- blower motor and radio. 0 without it being flashed. Im starting to think its my ecu. Was not the typical crank no start issue. 0 cranks but no start - have spark, fuel, compression got my first jeep last week and just started looking at it today. – dublin1 Roseville CA, United States –Posted using Jag-lovers JagFORUM [forums. 44276 Views 30 Replies 12 Participants Last post by Debonair, Jun 3, 2014 Jump to Latest N. It cranks but no spark. jag-lovers. Two things I notice. - No spark at the spark plugs. First Name: John. All fuses are good , any ideas where to check next ? Mar 9, 2013 · the motor will crank all day, im still not getting spark, fuel, and the gauges are jacked up even with the newish PCM Jan 2, 2007 · cherokees went though 3 different types of EFI systems, and even more small changes in the systems. Then it turns off. Jump to Latest Follow Nov 21, 2022 · Just acquired 97 tj, been sitting in a field for over a year, ran when parked. May 1, 2006 · 99 xj code reads: no bus. 153624 is the firing order. Pull the bottom cover off your steering column (two philips head screws), then you will see a cover held on by two tiny safety torx. The engine is in and everything is connected but she won't turn over, (strong crank but no start). if your jeep is an 88-90. Nov 4, 2008 · 98 XJ 4. . #1 · Dec 16, 2006. These break which prevents your ignition from functioning properly. Dec 21, 2017 · Try unplugging the connector for the crankshaft position sensor. 25 I'm a Jeep owner and ad-block detectors kinda stink but ads Jun 15, 2019 · Good Day all, I have a 97 Jeep Cherokee XJ that recently had the engine rebuilt. - A failed CPS/CKP may or may not throw a CEL trouble code. I have a 1997 XJ that I use to plow snow with. XJ Cherokee Technical Forum no spark. The red light on the dash turns on solid, and the on board diagnostics test does not work at all. As soon as i did, it fired right up. Feb 7, 2016 · 97 Cherokee cranks but no start. Remove all four bolts, pull the coil rail away from the engine and disconnect the electrical connector. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. There is no check engine light on. Jun 25, 2015 · C. Pulled the coil out and found a crack in one of the corners, so I replaced it due to the crack and the lack of spark at the coil. Confirm that the fuel pump to runs for 3-5 seconds when you turn the ignition key to ON. That power comes from the fuse. Jul 20, 2012 · Late 80's Jeep six cylinder cranking without spark/start May 25, 2009 · 4 posts · Joined 2009. 0L equipped Jeep is due to a malfunction in the ignition system. Had it towed home. 0 Cherokee 4x4 with a little over 200,000 miles that will not start. 0 mopar motors, the distributor signal is used for fuel injection timiing. If thats good then find the terminal on the relay that supplies the main power. I have a 96 grand cherokee 4. With key in run position i get no fuel gauge, volt gauge, and no check engine light. Mine broke, same exact symptoms. The jeep has the 4. Those are the main things that will kill your Jeep out on the Sep 9, 2012 · Jeep Cherokee & Comanche Forums. September 2017 Modified Cherokee of the Month 2001 XJ: 4" lift (MetalCloak CAs, Tuff Country coils, IRO aal), 31x10. 0/AW4/8. 365 posts · Joined 2015. Also replaced crank case sensor. ov rj kp mi qy bl ii yy ra lj