Hi all, I have a 2008 Ford Focus - 4 Door Sedan SE 60300 miles. I’ve gone to 3 mechanics now and no one can seem to figure out whats wrong with my car. Here’s whats happening: About 1 1/2 years ago I took my car to get an oil change at Jiffy Lube (Yeah never again). When I left, my car was idling…

You say you’ve had in the hands of 3 different people. Other than the minor little service items you listed what have these people done? Checked fuel pressure? Check plugs & wires? (Are those the original plugs? What does the owner’s manual say about the service interval on them?). Clean the M…

cigroller, I am on the same page, and thinking with this year of car, something obvious is being overlooked. Could be a connector, vacuum hose, etc. Start simple and work your way up. I accept from the oil change something went bad, but I think it is an easy fix given the right mechanic.

Cigroller, that’s all they did to it, I wasn’t about to spend a lot of money to have it fixed unless the smaller stuff was done. Really not sure why they didn’t try all the stuff you guys mentioned, but I as insistant on knowing what they were checking just so the next time it won’t be repeated… No,…

Without any check engine light to provide error codes then you just need to do the basics, and if that means paying people for labor time/expertise then that’s what you have to do. You do need a good, locally owned, independent mechanic - someone who specializes in diagnosing and fixing car problem…

Yeah, sorry I didn’t mean to sound like I wasn’t willing to pay… I just didn’t want them to go through and tear the engine apart without doing the basic stuff first and was mainly referring to the one guy saying that they wanted to replace my engine mounts to “fix” the problem, just doesn’t seem lik…

Try getting some used parts at a local car parts yard. Maybe an idle air control valve, mass airflow sensor, throttle position sensor (or the whole throttle body!). Parts are cheap. Labor… well we know what that costs. maybe you should try and find a local person through FSWERKS or FOCUSFANATICS w…

If I had to check one thing on this car it would be the PCV valve, the quick lube folks always check the PCV valve… but they may have damaged the hose or the O-ring.

Rough Idle - 2008 Ford Focus

Maintenance/Repairs

cigroller November 5, 2011, 12:54am 4

My actual guess - devoid of any other info - is actually going to be an EGR system issue. So, now that I’ve said so, kboyd, find the vacuum line to your EGR valve. Pull it off & plug it (usually about a golf tee size) and cap the valve. See if that makes a difference. (This will turn on a check engine light & set an EGR code & is not permanent. It will just tell you if the EGR system is the problem).

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Rough Idle - 2008 Ford Focus

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