P1391 spark

Stock XJ Cherokee Tech. Examples, no start, general maintenance or anything that's stock. Code P, Replaced plugs wires and cam sensor, p1391 spark, runs worse.

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

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.

Cap and rotor Taylor spark plug wires Champion gapped to. Copyright EngineTroubleCode. Thread Tools.

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.

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

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. The P code specifically points to an intermittent loss of the camshaft or crankshaft position sensor signal, which can result in engine misfires and reduced performance. When this code appears, it is crucial to take it seriously and address it promptly. By understanding the causes and symptoms associated with this code, you can effectively troubleshoot and resolve the issue, ensuring your Dodge Ram runs smoothly and efficiently. One common symptom is intermittent rough idling, where the engine may shake or vibrate unevenly when idle. This can be accompanied by a noticeable decrease in power and acceleration, making it harder for your vehicle to pick up speed or navigate uphill. Additionally, you may experience frequent stalling, where the engine unexpectedly shuts off while driving or while at a stop. Another symptom of the P code is difficulty starting your Dodge Ram You may find that the engine takes longer than usual to crank, or that it requires multiple attempts before it actually starts.

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Good luck and keep us updated! Yup, a P can be either a cam sensor OR a crank sensor. You should also check that the spark plug gap is set properly. What should I do about this situation? Thread Tools Show Printable Version. The car ran great. So I was at advanced auto and the guy told me his cherokee had the same code and it was the cam sensor but they dont sell them seperate from the distributor. Then would the flex plate being damaged cause it to still turn over but not spark because the sensor cannot create an accurate reading? Come join the discussion about performance, engine swaps, modifications, classifieds, troubleshooting, maintenance, and more! Code Search Please fill the "Code Box" to find engine fault code. Explore Our Forums. The motor felt like it was stumbling at idle. Digger84 Replies. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

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.

Thanks for your help guys. Thread Tools. Removed tranny, replaced tranny, now wont rev past 2k rpms? Please consider creating a new thread. Parts or components should not be replaced with reference to only a P DTC. Received 25 Likes on 19 Posts. Find More Posts by tiwvr1. My next step was to get a mechanical fuel pressure gauge and check the rail but on the way home it threw a p code. So you should chech it on our car models. Thread Tools Show Printable Version. Is probably a clogged cat, sounds like other issues now since you took a new distrbutor apart, and put parts in your old one. I then figured it was a sensor on the throttle body so I swapped the iac, tps, and map all with working sensors. Advanced Search. The time now is AM.