Questions & Answers for: Pontiac Grand Prix stuck valves

Secondary air injection system shut off valve stuck open. How do I fix it? Can I drive it as is? secondary air injection system shut off valve stuck how to fix it

...DTC's for the TCC Solenoid: DTC P0740 TCC Enable Solenoid Circuit Electrical DTC P0741 TCC System Stuck Off DTC P0742 TCC System Stuck On DTC P0743 TCC Enable Solenoid Circuit Electrical DTC P0744 ...

...is catalyst system efficiency below threshold (bank 1) the p1404 is a mfg specific code. egr valve stuck open or circuit performance if this car is mostly city driving you might be able to clean up ...

...body, not near as common but it can cause this problem on a lessor scale. - Trouble Code P0742 TCC Stuck ON: When this trouble code is set the pcm will command max TCC and lock adaptive shifting. ...

...Is one of them hot? If both are cool, your relay valve to allow coolant to the heater core is stuck. It will have to be replaced. Is the blower fan running( that's the fan in front of the ...

...long flash and two short flashed means the ECM is working fine check and see if the EGR valve is stuck closed when the engine gets hot If stuck closed the EGR valve needs replacing for it supposed ...

...using something to scrape with and use a non-chlorinated brake cleaner.Whenever an EGR Valve gets stuck in the open position it allows exhast gasses into the intake manifold causing the engine to ...

I have a 2006 pontiac grand prix with the check engine code po2440, secondary air injection valve stuck open. I have replaced the value twice, replaced the air pressure sensor, the air pump, a relay ...

...and p2440 P2440 refers to the Secondary Air Injection system. It means that the switching valve is stuck open. We already replaced the secondary air flow pump, now it's telling us that's its the ...

...Could be a head gasket ,but not the only reason Check the valve springs ,maybe something got stuck in ...