Question about 1987 Chevrolet Camaro
Replaced maf sensor now having problems clearing check engine light
If google cant help, i took mine into dealer, paid 50.00. but now i know how to reset in the future.
Posted on Apr 16, 2014
Remove ground cable to battery for five min to one hour then reconnet if still on after another problem most likely
Posted on Apr 16, 2014
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Posted on Jan 02, 2017
SOURCE: O2 check engine light
U may indeed have a faulty MAF or O2 sensor, the way to tell if the MAF or a vacuum leak is at issue is that both O2's will code lean, if only one codes lean then it is most likely just a faulty O2 sensor, I don't have your codes but this is the way we do things at the dealer for problems like yours. Remember the O2's are before the Cat's., after the Cat's they are called Cat efficiency monitors in the book.
Posted on Jan 03, 2009
SOURCE: trying to locate MAF sensor
Look near your A/C system and under the overflow hose for the coolant. It is a round can looking thing with a small wiring harness attached on top. There rae 3 hex screws holding it on to the bracket. Remove these and slip it off of the air intake tube. Use a small screwdriver to depress the small latch on the inside of the harness and gently pull it off. Disassemble the MAF sensor from the mounting plate, remove it from the vehicle and spray the wires with carburetor cleaner several times. That should clean it up for you. Good luck and let me know if you need more info.
Posted on Feb 16, 2009
I also have 2001 S10, 4.3 V6 Engine code W, 4x4, Automatic, 137,000 miles. About 3 weeks ago, I had intake manifold gasket changed and every since then has been doing the same as yours. I suspected that the yahoo who did the gasket change got the distributor in wrong. I had one other mechanic tell me my engine was shot but the distributor , firing order was all right. Then I had another mechanic tell me that the distributor was in wrong and they fixed it but it didn't run any better. They also said the catalytic converter was plugged causing back pressure in engine. This past weekend I cut the catalytic converters (2 of them) off at the y pipe and now the engine will actually idle but still a little rough (and loud) but now the O2 sensors are not able to do their job. They say catalytic converters are only good for about 10 yrs anyway. To get the one piece replacement cats pipe in you have to drop the tranny crossmember, and to drop that it looks like you have to remove the torsion bars or at least one.
Hope this helps.
Posted on Mar 01, 2010
SOURCE: Check engine light came on
My book says ( GM ) P1133 - HO2S/O2S Insufficient Switching Sensor 1 Or Bank 1 Sensor 1
Be that as it may - to clear the codes in your computer - disconnect the battery for a couple of minutes and see if that clears the codes. Let me know. Thanks
Posted on Jan 20, 2011
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