Questions & Answers for: low rough idle

...rough, high then low My 1998 ford ranger idles rough. When i am at a light or in park, it idles high then low, high then low. What can it be? does car have engine codes? sounds like your idle air ...

...ROUGH IDLING COULD BE CAUSED BY WEAK FUEL PUMP,DIRTY FUEL INJECTORS, FOUL OUT SPARK PLUGS CAUSED BY LEAKING FUEL INJECTORS,LOW IDLE SPEED, CHECK IDLE SPEED CONTROL COULD BE TOO LOW ARE FAULTY ...

...rough at low idle For rough idle issues and problem troubleshooting,go through the help links provided below :-----van idles rough? ...

...rough when it cold outside It can be issue with low fuel pressure,the fuel pump is getting old both needs to be checked.Also get the IAC valve checked.Go through the related help links with similar ...

rough-and-quits.html --------- Engine stumbles coming off idle when warm? http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html ------------------ Erratic idle on car?

...low power rough running lean mixture. Replaced filter, oxy sensor . Code 37 is torque converter clutch solenoid failure. Transmission wont shift in and out of overdrive. IDLE ROUGH ISSUES It can be ...

rough-and-quits.html --------- Engine stumbles coming off idle when warm? http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html ------------------ Erratic idle on car?

...low.html ------------ It can be issue with IAC( idle air control valve) causing the problem. There are many other possibilities causing these idle issues. Engine idles rough. There are few help links ...

low. Can anyone suggest why? It can be issue with IAC( idle air control valve) causing the problem. There are many other possibilities causing these idle issues. Engine idles rough. There are few help

low rough idle Rough idle and low since rebuilt engine new rings bearngs shaft grind valve grind, okay when I first start cold but once warm rough and low will non iridium plugs cause it? no-- plugs ...