sometimes drops rpm
#1
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I have a 2012 civic lx auto and at stoplights it sometimes drops 100-150 rpms and will act like it wants to sputter. sometimes it does this sometimes not. It also catched itself sometimes and goes back to normal idle. The airfilter was black and dirty. Should I clean the maf too?
#4
If you think a good mechanic is expensive, try hiring a bad one
Re: sometimes drops rpm
11k miles.
But do not be surprised if you are told it is "normal".
It might very well be normal.
at stoplights it sometimes drops 100-150 rpms and will act like it wants to sputter. sometimes it does this sometimes not. It also catched itself sometimes and goes back to normal idle.
While you are on the dealers lot, test drive an identical car. That might demonstrate that they all do it and it is normal. Or not.
The airfilter was black and dirty.
BTW: A dirty air filter does not affect your gas mileage.
Should I clean the maf too?
If the air filter was doing its job properly, there is no need.
If fuel trim numbers don't indicate an issue, there is no need.
MAF is not normally an issue (not the way Ford's MAF sensors were famous for in the past). Fuel trim numbers would be skewed and you should have a CEL if it were merely dirty. You didn't put a K&N filter in there dripping with oil, did you?
If a bug was caught in it you might not be able to drive it at all. This seems to happen a lot when cheapo air filters are used on their other cars (Accord comes to mind first). This has really been the main issue with Hondas MAF sensors that I have seen consistently.
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