Questions & Answers for: GMC 4k engine idle

4k RPM Check engine light activated after reaching 4000 RPM climbing mountain highway. Still illuminated after 3 days. Everything else runs fine.Fuel pump/filter was replaced in last few weeks. Almost

...engine during warm up, idle and while driving. The oil i always use is 10w30 castrol synthetic, change every 4k miles. Currently has 114,780 miles. Oil pressure is normal always at 40. Any help would ...

...engine idle is unstable when the learned idle position is lost. For a 2001 Yukon XL, you can try these steps: Automatic TransmissionTurn OFF the ignition.Restore the PCM battery feed. ( IF it was ...

...Engine quits at idle? http://repairhelpcenter.blogspot.com/2011/10/engine-quits-at-idle.html  ------------ Car overheats and Air blows hot at idle? ...

...Engine quits at idle? http://repairhelpcenter.blogspot.com/2011/10/engine-quits-at-idle.html  ------------ Car overheats and Air blows hot at idle? ...

still wants to and does shut-off on me. idle actually got stuck around 4k rpms. i let the motor cool and it performed "nomally". any suggestions on what to do next. Have you cleaned the throttle body

...idle the engine in PARK for 3 minutes. 2. With a scan tool, monitor desired and actual RPM. 3. The ECM will start to learn the new idle cells and Desired RPM should start to decrease. 4. Ignition OFF ...

...engine at idle (typical with older 4.3L Vortec engines). Best bet is to get a complete tuneup which will include checking the O2 sensors, catalytic converter and cleaning the IAC valve and throttle ...

...just installed a kit on a Rochester throttle body 2 point fuel injection and the engine idles too fast. 5.7 liter engine. is there a way to adjust the idle speed? You probably need to adjust idle ...

...engine surge. The surge rpm is equal to fast idle. The repeating cycle is 10 seconds normal idle, and 2 seconds surge to fast idle then back to normal idle. To confirm this cycle I watched for 10 ...