What causes a Jeep Grand Cherokee to stop firing?
1996 Jeep Cherokee 4.0. Cuts off while driving. Losing signal to fire between distributor and computer. When running stops firing and loads up with gas and starts back backfiring exploding the muffler. My jeep has been to 7 different shops. Every wire has been traced down and connectors checked.
What to do if your Jeep Grand Cherokee has no spark?
Replaced the coil and nothing….replaced thermostat, found out it was stuck almost completely shut, engine barely had water in it. Started up fine a couple times then back to just cranking. Switched relay for fuel pump and ignition and starts up runs great then after about 20 minutes shut it off and back to just cranking again.
What’s the code on my Jeep Grand Cherokee?
Started misfiring with one code coming up P0351, which is cylinder#1 secondary ignition fault code. I replaced the complete coil pack and same code came up , then several other codes would come up all in relation to cylinder misfires. DO NOT replace you ignition coil pack with Autozone.
Is there a problem with my Jeep Grand Cherokee?
My 96 has the same problem and there’s no power to the coil and a changed the crankshaft sensor and still nothing the fuse box clicks and so does the evaporation canister 92 people found this helpful. my 97 Cherokee has the same problem many parts been replaced 49 people found this helpful.
1996 Jeep Cherokee 4.0. Cuts off while driving. Losing signal to fire between distributor and computer. When running stops firing and loads up with gas and starts back backfiring exploding the muffler. My jeep has been to 7 different shops. Every wire has been traced down and connectors checked.
Replaced the coil and nothing….replaced thermostat, found out it was stuck almost completely shut, engine barely had water in it. Started up fine a couple times then back to just cranking. Switched relay for fuel pump and ignition and starts up runs great then after about 20 minutes shut it off and back to just cranking again.
How can I tell if my ignition coil has a weak spark?
If you have a weak spark coming from the spark plug, lets check the ignition input voltage first. On the plug there is a green and a white wire. The White wire is a 12 volt constant. Turn the key to ignition on/run (no need to try to start it).
Where is the ignition coil on a Jeep Wranglers?
If you own a TJ (Wranglers after ’97) or other Jeep with the coil-on-plug configuration there will be no coil or plug wires coming from the passenger side of the engine block. The coil in this article will be the one for the YJ, XJ style ignition systems. First of all make sure you have no engine codes stuck in the ECM.
What was the problem with my 1993 Grand Cherokee?
1993 grand Cherokee 4.0 eng has similar problem. Problem started with failure to start but if I left the key switch on, in a few minutes I cud hear the fuel pump come on and then it wud start. But there was no spark in the ignition til that point.
My 96 has the same problem and there’s no power to the coil and a changed the crankshaft sensor and still nothing the fuse box clicks and so does the evaporation canister 92 people found this helpful. my 97 Cherokee has the same problem many parts been replaced 49 people found this helpful.
Why does my Jeep 4.0L have no start?
CASE 2: Spark was NOT present in all of the cylinders (DISTRIBUTOR TYPE): This test result tells you without a doubt that the no start condition of your 4.0L equipped Jeep is due to a malfunction in the ignition system. Now, with no spark in any of the engine cylinders, this what I would suggest:
Why does my Jeep Grand Cherokee have no spark?
So your engine is cranking..fuel is ok and needless to say your car has not seen a new shiney new part in awhile. Simple things are the obviouse! Grounding straps and connections.
Why is no spark coming from ignition coil?
The ASD relay is controlled by the computer and it won’t energize the ASD relay until it’s happy with all of its required signals like I mentioned above. Short update. The ignition coil isn’t getting any voltage so I guess the coil itself is not the problem.
When to change ignition coil on Jeep Grand Cherokee?
If you are getting a cylinder misfire code on your 99-04 Jeep Grand Cherokee, chances are that on or more of the coil packs have gone bad. In this auto repair video we will show you what needs to be done to change the ignition coil on your 4.0 6 cylinder Jeep Grand Cherokee.
What happens when you have bad coil packs on a Jeep Cherokee?
If acceleration has diminished, it should be felt. The less cylinders that your engine has, the more that one cylinder not firing properly will have an effect on engine performance. If you have one or more bad Coil Packs, it’ll cause the acceleration of the Cherokee to be weaker, and you’ll probably feel a jerking sensation.
What do you need to test a jeep ignition coil?
You don’t need any fancy tools to test a Jeep ignition coil. All you need is a simple multi-meter and a 12-volt test light. So, with those two simple tools and about 15 minutes can answer a few vital diagnostic questions for your ailing Wrangler or Cherokee.
Why does my 1989 Jeep Grand Cherokee not start?
I had a good mechanic put a 4.0 Jasper in my 1989 Cherokee. He said it wouldn’t start and he thought the problem was the ECU. He installed an ECU and the Jeep ran fine for about 4000 miles. Then it would start one day but not the next. When it doesn’t start, there is no spark.
What causes death wobble on a Jeep Grand Cherokee?
Death Wobble is probably the most infamous problem in the Jeep community. Owners of some of their top models like the Jeep Grand Cherokee have reported that at high speeds, especially after hitting a bump, the steering wheel may start the shake and vibrate violently, to the point that some drivers report that the Jeep becomes hard to handle.