Air flow mass meter problems dtc

The 5 wire LS1 MAF wiring diagram works out to these five values: Pin A MAF output is the main pin youll want to test for MAF errors. Scroll down to the bottom of the page to check out the other part numbers for the many MAFs that you can select from GM trucks, vans, and other vehicles. If you suspect the condition may be related to aftermarket accessories, refer to Checking Aftermarket Accessories in Wiring Systems. It is not intended as repair advice and we are not responsible for any actions you take on any vehicle. I have a 98 Buick park ave ultra with an intermittent P0102 MAF code. Tcs light was lightedairbag light was lighted and red steering indication is also lighted. 1999 Isuzu Amigo codes p0101 p0157 p0137 p0401 p1171 These codes or on a 1999 Amigo 3.2l Auto Please try to be specific as you can. Problems with your Nissan Altima Mass Air Flow (MAF) Sensor can lead to driveability problems and the OBDII DTC of P0100. My question is: I have the track lights on the dashboard on and off all the time, I took it to the 3 different car electricians and they did not fix the problem but two of them, charged me for it and.

OBD-II Trouble Code: P0102 Mass Air Flow (MAF) Circuit

This increase should be from 6-12 g/s at idle to 230 g/s or more at the time of the 1-2 shift. Depress throttle or manually open throttle blade to increase engine speed. Replace or repair the wire in question if you do find a break or short. The value shown for the MAP sensor display varies with the altitude. This five pin 85mm Mass Air Flow Sensor is a greatly desired unit, one because its a cheap upgrade and two because its easier to tune than some other aftermarket MAFs. Then start with the cheapest, easiest repair procedures: Verify that the Mass Air Flow Sensor wiring is connected properly and that there are no broken / frayed wires. Try blowing air or using an air compressor to gently blow through your MAF sensor to test the values. Inspect for any air leaks near the MAF sensor.

This increase should be from 6-12 g/s at idle to 230 g/s or more at the time of the 1-2 shift. If you have power at this wire, move onto checking for the low reference ground signal. But first well be checking the power and ground pins on your three pin LS1 MAF.

Airflow meter fault symptoms Airflowmeters4cars

Scroll down to the bottom of the page to check out the other part numbers for the many MAFs that you can select from GM trucks, vans, and other vehicles. Symptoms You will likely not notice any serious drivability problems, although there may be symptoms such as a general decrease in power or sluggishness. The air flow meters will occasionally fail completely which will bring up a light on the dash and the symptoms described here are only the usual ones as we have known the fault to become apparent in other ways. The value shown for the MAP sensor display varies with the altitude. Learning how to measure your Nissan Altimas MAF signal is very easy and simple to do. You should be able to tee into the back of this wire and test what the MAF is sending your ECU if anything.

Without this data, your engine will not run correctly and can cause damage. This wire is yellow and leads to pin 31 on the LS1 C2 ECU connector. Codes are p0003 no g signal and p0102 maf sensor low input. When the code is active, the output from the MAF is 2.12 gps.