Questions & Answers for: Mazda 626 rough start

...like your catalayic converter is plugged hence the black smoke at start up. your engine needs to breath and a plugged converter will make the engine run rough and have hard starting. please rate ...

start running rough, then stall. After very poor acceleration, it runs normal. This condition does not happen in Park, Neutral, or Reverse. What could cause this problem in DRIVE only? low idle speed.

Mazda 626 six cyl runs ok for 20mins then misfires and runs rough 1995 Mazda 626 six cyl - starts and runs ok for first 20 mins then starts to misfire. Also when sitting in heavy traffic car starts ...

Car running rough and stalling 2001 626 runs rough at first. Then car revs increase, but the car doesn't accelerate for a few seconds. It's like it needs to "catch up" with the engine speed. The car ...

...Could this cap be a problem if cracked? The car appears starts but runs at very low revs and very rough. I have taken the rotor button off but i am not sure if i put the rotor back on the same way. ...

Car starts with rough idle then stalls after a few seconds. Had alternator replaced with new rebuilt one and had throttle valve cleaned but after a few days same problem has since come back. Any help?

rough at start up then smooth out mostly when warmed up The choke may not be operating properly when the engine is cold or the low speed fuel mixture need adjusting.Basically this engine needs a major

2006 expedition starts to run rough at 50 mph make a TUNE UP, however you must RUN the scanner and computer for to see if there are some Sensor faulty. God bless you have it tune up,change oil= change

Rough idle after engine is warm Car starts and runs fine when engine is cold. After engine is warm it idles very rough & low rpm. Doesn't stall while in gear, but stalls sometimes when shifting from ...

...with the idle modual it reves at the norm then all of a sudden the reves just increase up to roughly 2.300 and then come down to near stalling 1 have replaced crank angle cencer air flow