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- Path: sparky!uunet!ulowell!news.bbn.com!usc!isi.edu!gremlin!nrtc!jslee
- From: jslee@nrtc.nrtc.northrop.com (John Lee <jslee>)
- Newsgroups: rec.autos.tech
- Subject: Re: Help with Mass Air Flow sensor on GM 2.8l V6('88)
- Message-ID: <43465@gremlin.nrtc.northrop.com>
- Date: 27 Dec 92 16:43:21 GMT
- References: <1992Dec26.162714.8051@bnlux1.bnl.gov>
- Sender: news@gremlin.nrtc.northrop.com
- Reply-To: jslee@nrtc.nrtc.northrop.com (John Lee)
- Distribution: usa
- Lines: 20
-
- > polychron@bnldag.ags.bnl.gov writes:
- >Could somebody help with the following problem?
- >Car: '88 Celebrity Wagon, engine 2.8l V6 (the V6 from hell??)
- >The "service engine soon" light came on. Read the code stored; it
- >was 34 (MAF sensor too high). By the time I got to check it the condition
- >no longer existed and "scan tool" reads 5-6 grams per second at idle which
- >is normal. Driving is mostly normal but occasionally cuts out momentarily
- >and then again it's OK. At idle, some times, it acts as if it is about
- >to die and then suddenly the idling becomes smooth again as if the
- >computer finally figured out how much gas is actually needed.
-
- Tap on the MAF sensor. If it causes the idle to go funny, the
- sensor is bad. There is an upgrade available that removes the MAF
- sensor for the calculation and uses speed density to determine airflow.
- See your dealer for more details. It involves removing a relay and
- adding a new PROM. The MAFs were a good idea but in the field they
- were being contaminated too often even though they were positioned
- after the air filter.
-
- JSLee
-