P1391 spark

Stock XJ Cherokee Tech.

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. It came up as P I have heard many different things as to what this means. The man at the shop said that it could not be the cam shaft or crank shaft because if it was it would have pulled up more codes.

P1391 spark

Stock XJ Cherokee Tech. Examples, no start, general maintenance or anything that's stock. P Code Help!!!!! Thread Tools. Received 25 Likes on 19 Posts. I pulled it over to a safe spot. The car had no spark. Read the code and it showed for tps. So I went to jeep and bought a new tps and installed it and it had the same problem. So after some trouble shooting it turned out to be the coil. The car ran great. About a month ago I decided to do a full tune-up. Cap and rotor Taylor spark plug wires Champion gapped to.

Almost like a misfire.

Theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. So you should chech it on our car models. Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark.

While its symptoms are only a few, its implications are pretty severe when left unaddressed, and potential causes are almost limitless. Furthermore, its triggers are highly dependent on application — something that this guide will help shed light on. Its symptoms include an illuminated CEL, erratic engine performance, no-starts, and white exhaust fumes. After all, P is a blanket fault code and turns on and off like a light switch. But in some cases, the code could be set off by a jeopardized PCM or problems with wiring and connectors.

P1391 spark

This is one of the most frequent OBD2 trouble codes. Read the full article below to know what it means, how to fix it, and what other codes may show related to it. The following are some of the most common mistakes that a technician may make when diagnosing a P code:. A P code is a serious code and should be addressed as soon as possible.

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Thread Tools Show Printable Version. It came up as P Thread Tools. Read the code and it showed for tps. But I'd test em anyway to see if data yields any clues. The crank sensor is arguably one of the most common engine management sensor failures on the 4. Fixed turns out the timing belt was off two maybe 3 teeth and it did not do any damage to the engine so crisis avoided. Send a private message to BlackXJay. Copyright EngineTroubleCode. Examples, no start, general maintenance or anything that's stock.

The P code in your Dodge Ram is an indication of a possible issue with the crankshaft or camshaft position sensors. It is essential to understand this code to properly diagnose and resolve the underlying problem.

So you should chech it on our car models. Is probably a clogged cat, sounds like other issues now since you took a new distrbutor apart, and put parts in your old one. Posting Quick Reply - Please Wait. Send a private message to CCKen. I have heard many different things as to what this means. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing. Send a private message to BlackXJay. The Jeep Recon. P Code Help!!!!! You can test both sensors with a meter and a manual, but unless you test them when they are failing, they will likely test within spec. The jeep has been doing this weird thing where it is almost like hoping forward while you drive and when you press the gas hard it backfires and doesn't accelerate that much. What kind of plugs are your running. Advanced Search.