P1391 spark

Stock XJ Cherokee Tech.

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.

P1391 spark

With it's smooth look and comfortable ride, the Dodge Intrepid can still command attention. Thread Tools. I have investigated many factors and just wanted to run my findings by others before I just give up and blow the POS to hell. Replaced both Cam and Crank sensors I get 8 volts Should this be 12 volts? After changing the sensors and clearing the computer and trying to crank over there was no check engine light staying on Not that the check engine light came on before Get 12 volts at the coils when the car is cranked ecu is not pulling the voltage over the coil though. Do ECU fail often? Timing belt is still attached but loose however if its a timing belt issue being an interference engine I have grim prospects for being able to save it So my questions are if I do a compression test what compression am I expecting to see? Then would the flex plate being damaged cause it to still turn over but not spark because the sensor cannot create an accurate reading? Then if the problem is the jumped or stretched timing belt like the code says what are the chances of being able to save this engine? View Public Profile. Find all posts by JoshRP. 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. Never known that to cause no spark but guess if the cam and crank signals are not matching that would be good enough to do it.

The solution is here :. Along with that I did the plugs, wires, rotor and cap and p1391 spark it will hardly run. So I bought a dizzy and just replaced the plastic sensor looking thing which i assume was the Cam sensor.

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.

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. If the problem is not corrected, it could lead to further damage to the transmission. P — Transmission Control System Malfunction. In conclusion, the P code is a diagnostic trouble code that refers to a problem with the transmission slipping.

P1391 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. As already established, this fault code may be worded differently depending on the car manufacturer. Implicated components also vary depending on vehicle make.

Barritos port jeff

Send a private message to CCKen. Off Grid Access Replies. So after some trouble shooting it turned out to be the coil. 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. Im guessing it might be a Crank sensor or i need to replace the whole dizzy just didnt have time today. Ways to clear check engine light on car panel. Likes: With it's smooth look and comfortable ride, the Dodge Intrepid can still command attention. Advanced Search. Thanks in advance. Last edited by tjwalker; at PM. P Fault Symptoms : Check engine light comes on Engine stalling or misfiring Engine performance issues Car not starting If one of these reasons for P code is occuring now you should check P repair processes. Removed tranny, replaced tranny, now wont rev past 2k rpms? If one was failing could it cause the rough idle? Turns out the wires were all one plug counter clockwise so the dizzy must have been put in a tooth or 2 backward.

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.

Yup, a P can be either a cam sensor OR a crank sensor. Find More Posts by tjwalker. Posting Quick Reply - Please Wait. Examples, no start, general maintenance or anything that's stock. Good luck and keep us updated! The solution is here :. What should I do about this situation? And if you've seen my posts, you know that I'm not a big fan of aftermarket for either of these sensors. View Public Profile. Digger84 Replies.