Questions & Answers for: engine races cold start

...engine races When I start the engine (cold), the engine races so fast I have to shut it off. It does not idle at all. Check the thottle linkage make sure its not stuck open. And check for any large ...

engine races after start up throttle is not stuck... but engine races out of control after starting....I just bought the vehicle today. The previous owner replaced the piston heads, rings and bearings

If the engine thinks that the temp is cold it will add more fuel.This will cause it to race.The question is the temp realy dropping or is it just reading a temp drop.Well hope this helps and good luck

engine races more than usual when it is started cold. It races then calms down then will race some more before eventually idling normally. I am the original owner of the car so I know it is not normal

...engine races at idle. When car is cold it runs fine; when warm engine races at idle, I have changed the crank shaft sensor and the cam shaft sensor, changed the oil, flushed the engine and have ...

...engine cold Its probably a problem with the water temperature sensor. Also do not rev a cold engine. The engine has a "cold start sequence" which is similar to a choke. When the engine gives a cold ...

...engine races once put into gear(automatic) When engine is cold (morning starts) I have to put something on the gas pedal to keep the engine idling until warm and then it will stay running.Also when ...

...engine races,because cold engines all do that , by design. racing idle hot. engine not hot. thermostat bad. engine hot and Ect Sensor lies, (wires fell off) ISC valve stuck open or wires, bad to it. ...

appreciated... I would be looking for a vacumn hose leaking. The cold engine needs a rich mixture and braking uses the vacumn booster causing the mixure to lean. A warm engine races with the extra air

...engine how high is high how cold is cold. all cars race, when cold, and higher colder, by law too. (EPA) the key is you didnt state an rpm, or post video with sound i could run software that can hear ...