2002 Chevrolet Impala "testing fuel pressure 02 ton" Questions

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...fuel pressure regulator. lots of posts, why not work just one post and add to it.? that way we see all facts in one post, right? ive answered 2 now, I have sympathy for poor RENIX owner, big time. ...

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...fuel pressure, Insufficient spark, Low Compression, Bad sensors, bad connections at the modules or sensors. If the vehicle will idle by itself, then you can perform a wiggle test on the wiring and ...

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...fuel pressure at 60psi bad FPR 2: fuel pressure at 20, FPR stuck open. 3: leaking injectors 4: misfiring, will send a ton of oxygen to the exhaust. got other symptoms? driving? etc? you gave year and ...

pressure check the exhaust system for leaks. any lakes near the 02 , the 02 will read wrong (not harm it ) the air has 20% oxygen and even 1% of that hitting any 02 slams it to the lean rail. 0v. NOTE

pressure W.O.T. at sealevel
if over 1000ft altitude say so.
i can do pilots math, easy.

its and old car, we check compression on all old , engines the run bad, first.
not throw tons of

...fuel pressure too high (gauged) Is the Fpreg working, (gauged) is the MAP WORKING (voltmeter) ask for scale i have it. leaking injectors. (for 3 reasons/cause) "gauged leak down tests" more sure but ...

...pressure caused by this part not functioning correctly can push oil into the combustion chamber down the valve stems, this makes engine get clogged up by making carbon stick easier, it generates ...

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