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Posted on Jan 02, 2017
find the air filter and work your way towards the top of the engine. There will be a large black rubber hose that goes to an aluminum colored square shaped block with four bolts, one on each corner of the square shaped block. there will be a cable going to the throttle. on the opposite side of the cable will be the throttle position sensor with a plug in harness with two or three wires. The mass air-flow meter should be just behind the T.P.S.
Posted on Apr 22, 2009
not unless you take it to autozone and have them put the scanner on it and clear the code which caused the light to come on. also they can tell you what the original issue was.
unfortunately it sounds like you just started to replace parts and honestly you could have already repaired the issue
Posted on May 04, 2009
It is inline with the air intake .They are typically held in the tubing with hose clamps and a 2 or 3 wire connection. Make sure you check for direction of air flow.
Posted on Apr 21, 2010
SOURCE: 1997 Buick Lesabre 3800 engine.
Good Evening. You did the right thing cleaning the honeycomb, you should try cleaning the elements on it. It is a very good first step to try that, however if it is kicking on a check engine light feel lucky because the MAF sensor can do things that will also not kick on a check engine light. my words of having been there before would be to replace the sensor. Hope this helps, and if you have any more questions please feel free to ask.
Posted on Aug 19, 2010
SOURCE: My 2001 Buick Lesabre has
Without the MAF sensor plugged in the ECU has no idea how much air is going to the engine. But if the car runs by disconnecting the maf sensor then get a compression test done to make sure your engine isn't running lean and burning out the piston rings. --------------------
The procedure of MAf working is as follows.The ECU uses the MAF sensor reading along with TPS in order to figure out what amount of fuel in inject in to the engine. It then uses the O2 sensor in the exhaust manifold to read air/fuel mixtures.But when you disconnect the MAF and car runs better that means.Ecu is not able to inject the proper amount of flow to engine with the MAF connected. In that period When the ECU sees the the MAF disconnected, it uses reading from other sensors (tps+02) to get a false value for the MAF to keep the car running well.This is called "fail safe" mode.------------But as you mentioned MAF is replaced then the problem relates to ECU.THe electronic control unit also called computer of the car.Try to reset Ecu.Disconnect both battery and MAF for 15 minutes then reconnect both and check,if that is making any difference.This resets the system.--If still the same problem then ECU needs to be replaced.----------This will help.Thanks.Helpmech.
Posted on Jan 14, 2011
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