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Re: Air Mass Meter symptoms
Posted by JohnK (more from JohnK) on Tue, 22 Feb 2005 15:25:40
In Reply to: Re: Air Mass Meter, kyle morleyq, Tue, 22 Feb 2005 12:22:26
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Bad AMM's symptoms include:
- Poor idle, stalling and wide idle swings at cold start up(Idle gets better once O2 sensor heats up and helps control idle)
- Flat spots and surging under power
- Backfiring
The first one is most common, last one is rare. Tests of the AMM wire burn off cycle can show meter is OK when meter is still bad. Only practical way to test is to swap in known good one.
If you search the board on AMM you will find tons of info.
posted by 208.208.152...
Posts in this Thread:
- DESPERATE! car starts but won't rev, kyle morley, Mon, 21 Feb 2005 08:56:44
- Re: DESPERATE! car starts but won't rev, AdamD, Mon, 21 Feb 2005 20:05:54
- Just a guess..., No Snaab, Mon, 21 Feb 2005 12:12:57
- Hmmm. This is odd., kyle morley, Mon, 21 Feb 2005 10:22:08
- Re: DESPERATE! car starts but won't rev, Gary, Mon, 21 Feb 2005 09:59:23
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