Question about 2001 Jeep Cherokee

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Burnt valve would back fire and run rough, burn oil, wouldn't it? The vehicle isnt experiencing any of these.

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  • jjjasonjj Feb 02, 2009

    Funny, I found that you can check the error code on the dash (ODB) so i did this and received a code of P1762 ("GOV Pressure Sen Offset Volts Too Low Or High"). I was told that this means that I will need to replace the governor pressure sensor, which is located in the governor body on the valve body transfer plate. Do you know if this is true and if so, is it easy to do myself?



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Depending on how bad its burned and which one it may not.....the coil pack it self is also a possiblity

Posted on Feb 02, 2009


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What is the effect of not replacing valve seats that are due for replacement?

A common type of valve failure is valve burn, or burnt valves. Essentially this is caused by combustion gases escaping between the valve and valve seat when they are not sealing correctly. The hot combustion gases are forced past the valve which starts to burn away the edge of the valve, progressively getting worse the longer it is left without being rectified. Normally this type of failure affects the exhaust valves only, but it can also damage the intake valves.
A burnt valve will cause issues with your vehicle's performance and fuel consumption. Rough idle, reduced power, backfiring, and misfire are all symptoms of valve burn. If your engine is showing symptoms like these continued driving with a burnt valve will cause more damage to your engine, and will in turn cost more to repair in the long run.

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Why is my 1998 toyota corolla oil getting short

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I followed the firing order installing a dist cap on a 91 camaro and still running rough What do I look for now

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Gas in oil

Usually gas gets in the oil if you are having a hard time starting the vehicle, or turns over for a long period of time before firing. It floods the cylinders and bypasses the rings filling the oil with gas. You may want to change the oil and filter and see if this problem continues. Check your plugs, wires etc.. If it does then your rings may be shot not giving enough compression to the cylinder causing un burnt gas. Try a compression check and see if you have any bad cylinders. Depending on the vehicle 90-160 psi isnt uncommon. If there is a great differential between the cylinders you may have faulty head gasket, bad valves, or just worn rings.

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