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Old 11-12-2017, 08:55 PM
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Join Date: Feb 2001
Location: California
Posts: 381
Help Check engine. Code P0170

Hello,

On my 2000 ML320 with 52,000 miles on it. I recently got a check engine light when to autozone pull the code and it was a P0170 only not (p0170 and p0173).

Look at the MAF sensor look clean but did not clean it with MAF cleaner. Looked the air filter looked clean too but did not replaced. Unplug battery for one hour check engine light went away. Drove 2 miles non highways and back to costco not problem at least on other days with not problem though I fixed the problem.

Today when I drove a little more distance on the highway check engine light came on again after 5 miles. I think it is P0170 again. Car drives normal.

What do you guys think is the problem???

Note today I discover another problem break light on all the time, no cruise control most light break switch sensor (had the problem before). But I don't think this is related. What you guys think.
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