Hesitation issue with random bad idle.
Senior Member
Joined: Jan 2009
Posts: 472
From: Michigan
I bought the whole MAF used from some guy on EBay. I did only swap the sensor because 1. I have the special torx for it and 2 I didn't want to unbolt the airbox and remove everything else to get the whole MAF out. 1 minutes of work v. 10 minutes, I picked 1.
after a few days of driving it is still running much better. idle is still a little rough and the cel is still on for the o2 codes and I will check it again this weekend see if anything else has come up. I might just run seaform 1/2 in vac, 1/2 in oil and ful bottle in gas then pull all the o2's and clean them, let them dry, change the plugs and see where that gets me for smoothing out the idle and maybe helping with those codes.
after a few days of driving it is still running much better. idle is still a little rough and the cel is still on for the o2 codes and I will check it again this weekend see if anything else has come up. I might just run seaform 1/2 in vac, 1/2 in oil and ful bottle in gas then pull all the o2's and clean them, let them dry, change the plugs and see where that gets me for smoothing out the idle and maybe helping with those codes.
The car this MAF came off of had a build date of 1992, however it is a 1993 model car. The replacement aftermarket part fits both cars, they have the same part number, like AC-Delco 19137136, W0133-1795120, and 078133471AX. Your car has a Hitachi number of AFH70-08B, this one is a AFH70-08A. The difference in the letter is for the bore size of the MAF housing?
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