1992 GMC Sonoma "bypass service engine soon light" Questions

...service engine soon light and I checked the codes and I get number 42- Electronic spark timing bypass circuit or EST circuit is grounded or open. A malfunctioning HEI module can cause this code. My ...

service engine soon light I would like to bypass this service engine light or remove bulb easy ....remove the instument panel then simply twist the bulb out ...it's a quater turn very small bulb

...service engine soon," light came on. Autozone ran their diagnostic tool and gave the code "P 1491," "Vacuum Cut Valve Bypass Valve." (Btw, the fuel cap was on tight.) Does this, "Vacuum Cut Valve ...

...Service Engine Soon light popped on, so I started monitoring my gauges a little harder and slowed down trying to take it easy until I got to a safe place..My oil pressure seems kind of high, but it ...

Service Engine Soon light is on. Could be uptake valve? Uptake valve? I've never heard of an uptake valve, but there is a idle bypass valve, which when in need of cleaning or bad, will make a car have

...service engine light soon an make it go out my ckp sensor is bad can i by pass it and make the light go out any light or switch can be bypassed, but when you go to get the vehicle inspected and they ...

...service engine soon light came on and it coded with p1491 If the EVAP canister is OK, and there are no other visual damage to the EVAP system (e.g. loose or broken hoses), replacing the vacuum cut ...

...service light and a large clunk sound. The motor continues to stay on but no acceleration at all. I have to turn the engine off and restart it. Have been told a few things from different machanics ...

Service Engine Soon Warning Light) - Engine hesitation Possible Causes: - Air Pump inoperative. - Air bypass solenoid circuit open or shorted. - Faulty AIR byspass solenoid circuit Possible Solution:

...service eng light comes on car lopes surge no power Clean out you idle air bypass valve with carb cleaner. P0031 air/fuel sensor 1 heater (B1)bank 1, p0603 engine control back up circuit,p1148 closed ...