1999 Mazda 626 "rough idle cause" Questions

...rough when its in drive or when i cut on the ac this could be a case of carbon debris in the throttle body plates and idle air control chambers...simply might just need serviced/cleaned...pull air ...

Idle rough in R, D, fine in neutral Hey gang, I have a 99 Mazda 626, 4 cyl, and have an annoying issue I am dealing with. When the car is in drive, L2, L3, or reverse, but not moving, the idle is ...

...rough idle/stall condition in DRIVE gear only. When stopped at a light, it will start running rough, then stall. After very poor acceleration, it runs normal. This condition does not happen in Park, ...

rough idle when you come to stop already changed egr valve not the problem See if the idle control is working. I have a protegee that does the same thing, although the cause of mine is diffrent, it is

...rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion ...

...rough at idle , engine dies at idle. check engine light on fault code 171 looked for vacum leak none found. replaced MAF sessor no help. any ideas You may have to dig deeper for a vacuum leak. It's ...

...rough & at take off. code p0303 refers to cyl 3 misfire detected ===causes engine mechanical fault--wiring--ignition/fuel system--injector--ECT/MAF sensor--ECM code p0316 refers to misfire detected ...

...idle or neutral position Do you know what the problem could be I suggest a tune up, also replace the fuel filter and air filter, the timing is possibly off slightly causing the engine to run rough. ...

...tell me what causes that to happen Replace motor mounts. Sounds to me like you have a rough idle of some sort.. I would say either the car needs a tune up or something in fuel system. Hope this ...

...idle eratic or stall. I will then have to start my car. This is not everytime. My check engine light came on with the code of a cam sensor. check connection to cam sensor. sometimes corrosion will ...