2002 Jeep Grand Cherokee "cause periodic engine knock" Questions

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...engine clean to help the car run smoother and get better fuel mileage and limit other problems that can give you problems for instance the knock sensor not being able to adjust timing because of ...

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Question about Jeep Grand Cherokee

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...engine is accelerated it might go away due to higher oil pressure. When did you have the oil changed and how many miles does it have? Is the knocking rapid (5 or 6 times a second) or periodic (1 or 2 ...

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...the fuel input. The mechanical safety of the engine is placed at risk if it is run with a bad sensor, though a bad sensor should cause the engine brain to use its pre-programmed values to

...manual. the improper grade of fuel can cause detonation in your engine. giving a knocking sound. if the change in fuel doesn't help you may be looking at mechanical repairs. hope this helps. ...

Question about Jeep Grand Cherokee

1 Answer

...engine light went on read code P0327 knock sensor low input bank 1. I had both knock sensors replaces along with pcm. After just a few miles on the road service light went on again and reading same ...

...scanned, and if sensor is found damaged, it is easy and inexpensive to replace. Driving for extended periods of time (months) with this noise (knocking engine) , will cause permanent damage to

...knock from the engine, could this have been caused by bad spark plugs or coils? yes this code is a coil issue and without getting very deep it can be triggered by a defective spark plug, the knock ...

Question about Subaru Cars & Trucks

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...cause 1993 subaru engine knocking... Dirty or low oil, old gas...has your car been parked for an extended period? Add a bottle of HEET to gas tank, and add a bottle of gas tank injector cleaner to ...

PERIODIC TUNE-UP... Timing can also need to be adjusted... as well as "SPARK " advance curves need to be checked... ALL OF THESE THINGS CAN BE CAUSING KNOCKS. Before spending time & money there...

...cause this?. bad rod bearings time for a new engine Yes, it is an old car. You most likely have carbon buildup in the cylinders. Use a higher octane gas and drive some highway miles periodically to ...

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