Question about 1987 Chevrolet Corvette

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87 Corvette, can not get MAF sensor code to clear even after changing sensor.

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Sounds like you have a broken/shorted wire somewhere along the way from the pcm to the sensor, if your good with testing wires, trace the wires from the maf back to the pcm or find a schematic and test the wires for an open or short to either ground or voltage.

Posted on Jul 03, 2009


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2001 Buick la sabre Code p0171 and p0102 I have replaced every thing but the Maf and erg

did you clear all codes after fitting everything the read for codes again

try cleaning the plug in contacts of the maf
and cleaning the maf itself
Mass Air Flow (MAF) Circuit Low Input

A code P0102 may mean that one or more of the following has
The MAF may be disconnected, or a wiring connection may be bad The MAF may be dirty or otherwise contaminated (Note: if you use a reusable oiled air filter, be careful not to apply too much oil or that can contaminate the MAF). The MAF sensor may be faulty The vehicle computer may be faulty (very rare)

if you replaced.02 should not throw a pO171code

egr valve ...can be tested ...even cleaned



Oct 20, 2016 | Cars & Trucks

1 Answer

How do I pass emissions with my 1997 does explorer XLT P0

The recommended repair for both the P0171 and P0174 codes is to clean the MAF sensor. Ensure you use the proper cleaning solution, as there are many that will damage the sensor. Buy a cleaner that is made specifically for MAF sensors. The P0420 code will probably clear up if the MAF sensor clears the other two codes.

Nov 13, 2015 | 1997 Ford Explorer AWD

1 Answer

Does Changing a P1151 and P0175 on a ford Wind star solve the problems associated with it?

P1151 is indicating an problem with the upstream O2 Sensor on Bank 2. Bank 2 is the even cylinders side O2 sensor. The P0175 code indicates a rich condition in Bank 2 exhaust. This indication, if by itself, would indicate a faulty MAF Sensor or a vacuum leak, but since you already have the P1151, change the Bank 2 O2 sensor first and most likely both codes will clear.

Aug 05, 2014 | Cars & Trucks

1 Answer

Ka24de bogs at 3000 rpms and wont go any higher

why did you change mass air flow sensor ? do you have coil packs, any codes stored in ECM ? something is telling it to go full lean ! ? another sensor, OXYGEN SENSOR, MAP SENSOR ? aftermarket MAF sensors are garbage, you might need a stock , OEM , MAF !!!!!!!!! I would , my 87 buick gn boged when I replaced my MAF , I got a new OEM , STOCK , MAF, exact replacement, it ran wonderful !!!! again !

Feb 10, 2013 | 1991 Nissan 240SX

1 Answer

99 ML430 143k miles, had codes for misfires on cyl 4 and 5. Replaced ignition coils to clear codes, now hard to start from cold. Had p0100 code MAP sensor, found cracked/open vacuum hose, replaced hose....

P0100 OBD-II Trouble Code

Technical Description

Mass Air Flow (MAF) Circuit Malfunction

Basically this means that there's a problem with the Mass Air Flow (MAF) sensor or circuit.

You will likely not notice any serious driving problems, but there may be symptoms like a general decrease in power or sluggishness.

A code P0100 may mean one or more of the following:

* The MAF may be disconnected, or a wiring connection may be bad.
* The MAF sensor may be faulty.

Possible Solutions

Use an OBD II Reader (or go tou your local parts store and they will for free) and reset the code and see if it comes back.
Then start with the cheapest, easiest repair procedures:

* Check the Mass Air Flow Sensor wiring/harness is connected properly and that there are no broken / frayed wires.
* Unplug and reconnect the MAF wiring harness a few times to clear the contacts.
* Check the voltage of the MAF sensor (refer to a repair manual for vehicle specific information).
* Replace the MAF sensor.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.

Sep 17, 2010 | 1999 Mercedes-Benz M-Class

1 Answer

I have a 1985 port fuel injected corvette that has been in storage for 5 years and no wont idle and when accelerating it acts like its running out of fuel.foul pressure was at 60 psi and no fuel coming...

check the vacume pipes for leaks and cracks.
82crossfire-h4hpx0jsheu3g5mx3tchb5rl-4-0.gif Im hoping this is the engine as there is a number of different engines codes. but any sensor like air intake sensor or map sensor will need cleaning if it has bee stud as the dust will settle and stick to them, then engine will not get right information, also check the timing as a belt stud in the same place for a long time can stretch and even mold to the engine a can cause timing to be out. any engine that has been stud for long time even 5 years is a long time to be stud, will need an oil change and filters, if the spark plug leads are hard or crispy they will need replacing they should be soft and be able to wiggle. Iv heard of seafoam being used on an engine not been run for 10 years and that seam to clean out all the hard build up in the engine, but there is others you can use, but you need one that will be able to be sucked into the engine by the intake. injectors can stick or be clocked with old fuel residue. idle controller will probably need cleaning out aswell, use carb cleaner, MAF/MAP sensor needs a made for cleaner MAF has its own cleaner and is only for the MAF would thing carb cleaner would be fine for the map sensor, spray it inside and shack out again do this a few times. just to make sure its clean and any muck is out.

Jul 14, 2017 | 1989 Chevrolet Corvette

1 Answer

Engine seems to be flooding with fuel

your engine doesn't have a MAP (Manifold absolute pressure) sensor it has a MAF (Mass Airflow) sensor, that is located in the air intake hose to the throttle body of the intake.

Jun 08, 2009 | 1988 Chevrolet Corvette

2 Answers

Corvette 1988 keys

You can try a locksmitch take the vin.# from the car with you and they can make one.

Apr 11, 2009 | 1988 Chevrolet Corvette

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