Can bad AC Compressor cause...
#1
Can bad AC Compressor cause...
Team, I have an 08 S40 (2.4i auto trans) that I cant quite figure the cause for a couple of issues. I think it mucht be the AC system but not sure. When using the AC I sometimes get a check engine light and the P0171. I had already changed the MAF with a volvo OEM. Also, on occasions while using the AC it Stalls and loses power. Not enough to stall out but it wont move almost like a tranny slip (this seems to happen in hot weather). I was getting the check engine light fairly reguarly, but I stopped using the AC and havent had either issue since.
Any thoughts?
Any thoughts?
#2
The only way your AC is going to affect anything with your engine is by giving it a slightly higher load. If your engine is running lumpy, the extra load might be enough to make it noticeably worse.
The P0171 error can point to a number of things, including a fuel system issue, vacuum leak, O2 sensor problem, etc.
The P0171 error can point to a number of things, including a fuel system issue, vacuum leak, O2 sensor problem, etc.
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Luckyrb (07-07-2022)
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