How to check if the airflow cencor is not working.
SOURCE: 1997 isuzu wizard mu check light
Code 24 is a vehicle speed signal sensor fault, the sensor most likely does not provide a useable signal until about 25 MPH, when the computer doesn't see any signal after that speed it turns on the light. Make sense?
SOURCE: 1999 pontiac grand prix . will not run
If wiggling the wires cured the code, then one of the wires is broken inside the insulation. Pull on each wire one at a time. look for the colored insulation to stretch, this will be the broken wire. For the other car that wont rev up, this is a common when the catalytic concverter is plugged up. This will also cause MAF codes, and in turn, TRAC OFF light.
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SOURCE: HIGH IDLE, 1500rpm
No, its the intake manifold gasket. This is a very common problem with the SL/SL1 engine. There are only three bolts around the #1 cylinder and no bridge in the block between #1 and #2 cylinders. The flexible factory gasket tends to pull out in this area.
A confirmation of this is to spray some carburetor cleaner, fuel injector cleaner or even WD40 on the gasket around the #1 cylinder and if it affects the idle in any way, its because its leaking.
Felpro makes a good replacement gasket.
SOURCE: 2005 AVEO - at idle the engine revs up and down
check your fuel cap when they start to go bad the pressure in the tank won't read and it will make it do that. and if it still does it then try cleaning the throttle body and the mass air flow sensor when they get dirty they can cause the same problem
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