Engine bogs down intermittently at idle - poor MPG

**FordMan77** · 07-24-2012

Well, being N/A the 93 won't help you any, but your call there. Being an 04 I'd pull the entire throttle body off and clean it until it looks new, and then also clean the MAF with approved MAF cleaner (do NOT use brake or carb cleaner on the MAF). Reinstall and see what you get. I'd bet the TB is all gunked up.

**GrandprixSteve** · 07-24-2012

Thanks for the tip on the 93.

I should have added more info - I cleaned the TB and MAF when I installed the HAI on July 4th weekend.

Should also add the problem seems to be only after driving. I've never noticed it right after start up on either a hot or cold engine. It always seems to be coming to a stop after driving. I'm also not sure if I've ever noticed it in PARK at all...

Thread: Engine bogs down intermittently at idle - poor MPG

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