P0300 chrysler

Yet Another P thread.

Thread Tools. Turned key to restart car and it restarted right away. Check engine light constant on for a couple of minutes, then flashing for a couple of minutes, then alternating between constant on and flashing every couple of minutes. Did not stall again. Checked codes, and P is found.

P0300 chrysler

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Finally took vehicle to dealer to have engine scanned. Long list of possible problems, bad plugs, ignition harness, possible bent valve or push rod, etc. Expensive and no real solution. Had previously had heads off to replace leaking head gasket, resurfaced valves and checked push rods and valves, so knew they were good. Replaced MAP, no change. Replaced plugs and wiring harness, no change, checked fuel pressure, good. Finally after much scratching of both ends, bit bullet and decided to change MDS solenoids. Not to bad of a job, have to remove intake manifold, then solenoids are easily accessible. Strike each solenoid several times with a rubber mallet to break O-rings loose. Three of four came out easily, fourth broke and left part of lower plunger in manifold. Had to fish it out with a piece of stiff wire with the end bent to hook it.

I did a search, p0300 chrysler, and while I p0300 chrysler find plenty of threads on P codes, I couldn't find any that related the problem to having run out of gas. Here is what I have done so far in attempt to remedy the problem and to no avail

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Home » OBD Codes. There could be many different things causing the car engine to misfire, and in this article, you will find everything you need to know about this code. The code P indicates there are repetitive misfires on one or more cylinders in your car. You will often find this code together with another code of the specific cylinder the misfire occurred on. If the last digit of the trouble code is not zero, e. The misfire of an engine cylinder causes the engine speed to fluctuate. If this fluctuation increases, it affects the crankshaft position sensor, and the engine management module ECM can detect that one of the cylinders is misfiring.

P0300 chrysler

The scary thing about the Check Engine Light CEL illuminating during your relaxing Sunday afternoon drive is the uncertainty of it all. The possibilities range from minor to serious, but it's always in your car's best interest to have the cause diagnosed quickly. In the case of the P error code that can be picked up with the OBD-II standard introduced for all US-spec vehicles from the model year, this code indicates an engine misfire.

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Changed spark plugs NGK properly gapped , coils, crank position sensor genuine MOPAR , fuel pump module including fuel filter, checked all wires and hoses everything looks good. I opine I had one or more failing intermittently and causing the rough running, stumbling at idle and occasional dying. Once you hit last quarter tank it would misfire and then if you forced it would die. Had previously had heads off to replace leaking head gasket, resurfaced valves and checked push rods and valves, so knew they were good. I just had the all the ignition coils replaced and she ran fine and then stopped to a store and came back out and started her again and she started to misfire again. Long list of possible problems, bad plugs, ignition harness, possible bent valve or push rod, etc. She ran fine and it came again. Strike each solenoid several times with a rubber mallet to break O-rings loose. Erase the code, Fill it up, check fuel pressure, monitor gauge operation, bet all is well. AVS Forum. My pump didnt look bad at first glance and tank was clean Quite by chance I found the ASD relay was chattering You might have water in the tank, which is fooling the gauge. There is no test that I have been able to determine to find which of the solenoids was causing the problem. Our 98 concorde bought with 40k on it did the same thing until i replaced the fuel pump but at much hire level.

P is often accompanied by cylinder-specific misfire codes PX, where the X indicates the cylinder number that is misfiring. If you have P and a cylinder-specific misfire, the cylinder indicated by the specific codes would be where to start looking for your problem.

If the problem persists, take the injector you pulled out of 1 and put it in 2. Might be fuel pump. Only change it with oem just as crank and cam Here is what I have done so far in attempt to remedy the problem and to no avail No CEL. One of the ignition coils had a random short, luckily because this became more permanent we found the problem. Recommended Communities. My iac oem valve used to give rough idle before it stoped working. If you have similar untraceable intermittent misfire or rough idle, the MDS system is worth considering. Fingers crossed. Related Topics.