Question about Pontiac Grand Prix

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Just put in brand new heads and gaskets and replaced mass air flow sensor into my 1999 pontiac grand prix gt it was running and driving sunday now it wont even start but it will turn over

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Check for fuel and spark.

Posted on Oct 07, 2010

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1 Answer

99 gp gt supercharged,changed battery,cranks will not start


try unplugging mass air flow sensor on plastic duck coming from the air filter if starts up now u need new mass air flow sensor

Feb 25, 2014 | 1999 Pontiac Grand Prix

1 Answer

Mass or volume air flow a circuit low input 1997 pontiac grand prix


you don't have to replace the mass air flow sensor, CRC makes a mass air flow sensor cleaner i would try that first but if it doesn't work then you'll need to replace it

Feb 22, 2013 | 1997 Pontiac Grand Prix

1 Answer

P0101


P0101: MAF or VAF A Circuit Range/Perf

- Dirty mass air flow sensor
- Dirty mass air filter
- Mass air flow sensor harness is open or shorted
- Mass air flow sensor electrical circuit poor connection
- Intake air leaks
- Faulty mass air flow sensor

Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor.

Feb 09, 2012 | 1999 Pontiac Grand Prix

1 Answer

How do i fix a mass air flow circuit A low input code on a 1999 pontiac grand prix gt


You need to change the mass air flow sensor, buy it online its cheaper, or buy it from your local auto parts store, usually it costs 100-200, the sensor will be located on/near the throttle body which is linked to the intake. then you need a t-20 torque bit to remove the 2 screws, open the engine cover, and its about 3 inches in length, its black in color, open the 2 screws with the bit and un-clip the one wire, then pull it off the intake. if you want to see why its bad/or how it could be bad, look within the sensor, there should be 2-3 little pieces of metal strands (sensor components) if they seem damaged/corroded/missing then thats your explanation of the engine light, simply put the new sensor in, hook up the clip, then screw it in, before you even do this whole procedure, remove the negative battery terminal, that way your computer resets and will acknowledge the new sensor, when your done with the new sensor install, put the negative battery terminal back in, SECURELY. make sure all connections are solid and tight. then thats how you professionally do a maf sensor swap. how do i know, changed my own sensor on my 1999 pontiac grand prix :) once your done with the procedure write a testimonial for good feedback ;)

Jun 08, 2011 | Pontiac Grand Prix Cars & Trucks

1 Answer

Service engine light comes on code po102 2001 pontiac grand prix gt 3.8 v6. Does anyone know what this code means or how to solve?


P0102 is a MAF SENSOR CODE (MASS AIR FLOW)
i could guess and say replace the MAF sensor
there is an 23 step diagnostic procedure for this code

Apr 11, 2010 | 1997 Pontiac Grand Prix

2 Answers

Location of mass air flow sensor, 2000 Grand Prix GTP


Hi:
The mass air flow sensor is a round sensor that is mounted in the air intake, between the air cleaner box and the engine throttle body.

Feb 07, 2010 | 2000 Pontiac Grand Prix

2 Answers

2002 grand prix runs rough,dies service engine


sounds like you have a vacuum leak, check all the vacuum hoses and replace any broken or kinked ones, also check around the intake manifold gasket for leaks. any air leaks after the air flow meter creates 'un-metered' air which inturn will make the car run rough and stall, hope this helps

Apr 04, 2009 | 2002 Pontiac Grand Prix

1 Answer

1999 Pontiac Grand Prix intermittent problem runs rough


i have had two of these problems both on grand prix's , both turned out to be a mass air flow meter. but nethier set a code for the sensor.

Mar 29, 2009 | 1999 Pontiac Grand Prix

2 Answers

1999 pontiac grand prix . will not run


If you unplug the MAF sensor it should run using the default mapping. I'm having the same problem, but I want to figure out why it won't run with the sensor connected.

Jul 03, 2008 | 1999 Pontiac Grand Prix

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