test map sensor with ohmmeter?
jrbr
08-21-2007, 08:16 AM
Have a multimeter and suspect my map sensor is shot. 3.8L '87cierra 90K miles won't start. Can I test for circuit resistance or should I look at voltage drain?
nakedeye
08-24-2007, 11:12 AM
search in here under drivability and emisions, electronic engine controlls, MAP sensor
http://www.autozone.com/az/cds/en_us/0900823d/80/0e/d1/a0/0900823d800ed1a0/repairInfoPages.htm
http://www.autozone.com/az/cds/en_us/0900823d/80/0e/d1/a0/0900823d800ed1a0/repairInfoPages.htm
maxwedge
08-24-2007, 04:03 PM
Even if it was bad it would start, test for spark and fuel pressure first.
jrbr
08-28-2007, 01:29 PM
Thanks for the input naked. And Maxwedge, you were right. It does start but is extremely hard to start and runs like crap. Practically burned the starter out trying.
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