Ford Focus 2001 2.0L Zetec auto idle in drive is very rough and some days the engine stall,i restart easyly but when i put in drive it stall again,i must drive whit my tow feet.I make tune-up ,TKO,change PCV hose and the reading of the scanner is good an

Submitted by Rickyone Tue 07/27/2010

check fuel pressure / change

Submitted by jerryh20 on Tue, 07/27/2010 - 17:49.

check fuel pressure / change fuel and air filter. may want to check timing.

Check for a large vacuum

Submitted by bfree on Wed, 07/28/2010 - 05:05.

Check for a large vacuum leak. (such as: pcv hose, brake booster hose, etc.)

Check the throttle body for a build-up at the throttle plates (clean as necessary).
Finally, check/clean the IAC solenoid (IAC = Idle Air Control), use carb cleaner to clean this part.

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