Depends upon where you take it. I have seen it run $50-$65 (US). However I do know that AutoZone (east coast auto parts chain) will put diagnostic on it free.
You can run a diagnostic test for the knock sensor, on your 2005 Chevy avalanche, by hooking the engine up to a diagnostic tester.
an arm and a leg
check fuse
that would come up on your on board computer, test it with a obd2 scanner an trouble codes will come up, if your car still runs they will test it free at auto-zone or murrays
trac sensor might be bad that was my prob on same year cavalier i had same problem, had a diagnostic test run, came back saying i needed new TPS just got that fixed, now it seems ok
what is the difference between proffiency and diagnostic test
what is the difference between proffiency and diagnostic test
The diagnostic test for heart disease requires several hours. The diagnostic test for your car only takes a few minutes. The diagnostic results were negative.
You loosen the pipe bolt and slip in the motor with an litiosiosantitarial valve then rev the engine slightly to test.
Code 12 is just confirming that the computer is working. This code alone should always show when you test it.
Auto Zone and some other auto parts stores will do this free
Noisey pump, hard starting, stalling. Replace the fuel filter and have a fuel pressure test run.