Question about 1991 Chevrolet Camaro

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91 Camaro if its not the mass air flow sensor do you have any other suggestion on what it could be?

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In reply: if its not the maf there are 2 relays in the relay box i belive its underhood, 1 primes the fuelline to 32psi the second kicks in after it starts, and keeps it running and varies the psi. if the primer relay isnt kicking in then it wont start due to no fuel

THX

Don :)

Posted on Jul 30, 2008

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Spare part 12(po100)


P0100 NISSAN - Mass Air Flow Sensor Circuit Range/Performance Error

Possible causes- 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
Tech notes 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.

Sep 25, 2012 | 1997 Nissan Pickup

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

Need to know how to clean a mas air flow censor on a ford econoline van 91


I don't believe this year model uses a mass air flow sensor, but a map sensor . but to clean a mass air flow sensor, you have to remove it from the sensor housing, then look at the wires in the sensor, then take a cotton swab with alcohol on it and very gently rub the wires with it.

Aug 14, 2011 | Ford Econoline Cars & Trucks

1 Answer

92 Camaro 5.7 engine, multi port, with new pump and good regulated pressure. Won't start without priming intake. Fire's after waiting a few minutes, won't start. How to know if EGR is problem or maybe...


EGR wouldn't do it. Thinking mass air flow sensor of intake air temp sensor,no codes?
There is no priming injector on that ,it just extends the pulse width of the 8 others,
Have to scan it ,see if the manifold air temp is right,possibly just clean the mass airflow hotwire with spray cleaner,if you pull the maf and look at the little wire in the center,if it's coated with a white substance ,try cleaning it .Same with the manifold air temp sensor.

Feb 22, 2011 | 1992 Chevrolet Camaro

1 Answer

Chevrolet camaro looses power. car hesitates at around 4000 rpm.


I would start by changing your fuel filter and cleaning your mass airflow sensor.The mass air flow sensor is to be cleaned every time you change your air filter and I will bet yours has never been cleaned.Yes it does make a difference when the computer can accurately mix the air and fuel.You can pick up the spray cleaner at any parts store.If your not going to remove it completely to clean it just remember to unplug it and do not plug it back in in until it is dry.Well hope this helps and good luck.

Apr 06, 2010 | 1996 Chevrolet Camaro

2 Answers

I changed the mass air flow sensor, car still don't want to start, when you disconnect the sensor car starts give it gas it runs great, when you still have car running and hook up sensor again and give it...


is the sensor new?
check the wire from the very root of the air mass sensor wiring to the sensor its self.

it sounds like either the air mass sensor is at fault or the wiring is touching somewhere.

Regards
Dan

Feb 28, 2010 | 1989 Chevrolet Camaro

1 Answer

ABS light and check engine light is on. Not stock engine by a long shot. recent. cam, mass air set up, th350 trans, heads, headers, pipes etc. o2 sensors have been replaced. Does the computer need to...


I have a 95 Trans Am myself, with a worked 383 lt1 with full bolt ons. etc Your using the factory tune with that setup? While the check engine light might not be on because of the factory tune i would strongly suggest at the least, getting a mail order tune, and if you can, a dyno tune. You're not seeing the full potential of your setup the way it is now. Are you using an aftermarket mass air flow sensor? The stock mass air flow sensor flows plenty for most setups. Aftermarket sensors can cause driveability issues and many suggest staying away from them.
Are you able to scan the computer to retrieve the codes? It's impossible to diagnose the check engine light without knowing why it's on.

Nov 11, 2009 | 1994 Chevrolet Camaro

1 Answer

Problem with engine ligt on


Its located on the air cleaner box (the box where your air filter is) Its had cylindrical shape and kinds square on the top its black in color and had a plug on it. There is rubber intake hose connected to it. Good luck and thanks for using Fix-ya

May 05, 2009 | 1996 Nissan Maxima

1 Answer

Runs when it wants


could be map sensor or mass air flow sensor.

Feb 17, 2009 | 1994 Chevrolet Camaro

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