cant tell if maf or knock sensor problem?
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Joined: Sep 2005
Posts: 48
cant tell if maf or knock sensor problem?
Hey guys, sold my 97 max auto 4 years ago. And now I'm back with a 98 max 5 spd. Just bought it 2 days ago, I noticed no power/flat above 3000 rpms so I cleaned the maf sensor with maf cleaner. I also cleaned throttle body. It worked great for 1/2 the day. But now I'm getting the same symptoms again. I pulled 2 codes 413(dont know what thats for) and 3004 knock sensor. Does this mean my maf is still bad or could it be the knock sensor. Does the knock sensor delay/flatten power above 3k rpms like the maf sensor does? Thanks guys.
413 and 3004? Those are not ECU codes.
Do you mean 0304 for the KS?
Had you looked at the stickies, you could've easily found what 0413 means (and yes, it's 0413; the ECU codes are always 4 digits long, don't shorten them up):
Code: P0153 | Description: O2 sensor fault
Well have you bypassed the knock sensor, to see if that helps any?
Have you tested the MAF?
Do you mean 0304 for the KS?
Had you looked at the stickies, you could've easily found what 0413 means (and yes, it's 0413; the ECU codes are always 4 digits long, don't shorten them up):
Code: P0153 | Description: O2 sensor fault
Well have you bypassed the knock sensor, to see if that helps any?
Have you tested the MAF?
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