Mar 23, 2012· For the 96 with sluggishness, you need to gently clean the MAF sensor wires with carb cleaner and a toothbrush. It is in the air intake tube. After cleaning, disconnect the battery for 1/2 hour, then reconnect so the computer can relearn the clean sensor. Drive for 10 miles, it will run rough until it relearns.
Aug 30, 2019· Mass air flow sensor would be suspect. Posted on Sep 02, 2019. Helpful 0 ; ... 1995 GMC SIERRA C1500 TBI RUNS SMOOTH BUT STARTS CHUGGING AT 70 MPH. ... wires, fuel filter, air filter, MASS airflow sensor cleaned and still it would hesitate. It seemed to get worse when warm. Sunday I fixed the problem.
Mass Air Flow Sensor Meter Compatible with Chevy Silverado GMC Sierra MAF Sensor Replace 25318411 25168491 AF10043 (5 Prong) Mass Air Flow Sensor Compatible with Chevy Silverado, Suburban 1500, 2500, Tahoe, GMC Yukon XL 1500, Sierra, Cadillac Escalade, ESV, EXT , , more Replaces 25168491, AF10043, 25318411
May 14, 2018· I replace the mass airflow sensor and the. camshaft sensor on my 96 L Chevy Suburban. code still pop up and I still have the exact same. problem I also replace the connector on the mass. air flow sensor nothing has changed check engine. light on truck fires up fluctuates on idle dies if. Feathering and holding the gas it will stay running.
Oct 17, 2016· If you unplug the mass air flow sensor the car will start. If you try to plug it in while it''s running the car will die. My car has 90000 miles. My car has an automatic transmission. Recommended Services. Spark Plugs Replacement: : Get a Quote: Mass Airflow Sensor Replacement: :
Jan 27, 2018· I read not use carburetor cleaner as it will destroy the sensor''s protective coating. Then, reinstall and use vehicle as usual. If the cleaning procedure fails and the vehicle stumbles, surges, not start, then I will unplug MAF sensor harness and drive it until I purchase a new MAF sensor: 120170 quoted at Advance Auto.
Mar 23, 2012· For the 96 with sluggishness, you need to gently clean the MAF sensor wires with carb cleaner and a toothbrush. It is in the air intake tube. After cleaning, disconnect the battery for 1/2 hour, then reconnect so the computer can relearn the clean sensor. Drive for 10 miles, it will run rough until it relearns.
Probably MAF. Mass air flow sensor, or idle control system/ sensor. I have actually heard of some people having this problem because of a faulty heat sending unit, which doesn''t show up on scan, but i''m still betting on the MAF. Good luck, let me know what you find.
Oct 20, 2015· 3. Disconnect mass air flow sensor harness connector. 4. Restart engine and let it idle for at least 5 seconds. 5. Stop engine and reconnect mass air flow sensor harness connector. 6. Make sure DTC P0102 is displayed. 7. Erase the DTC memory. Refer to EC61, "HOW TO ERASE EMISSIONRELATED DIAGNOSTIC INFORMATION" . 8. Make sure DTC …
Sep 08, 2016· If I unplug the mass air flow sensor the truck will start and run fine. Plug it in and it dies. I don''t know what this has to do with the codes I have been getting. Code P0137 is an 02 sensor bank 2. I changed both of the bank 2 sensors left and right. And code P0430 is also 02 sensor bank 2 related. I got the MAF sensor code when messing with it.
Jun 11, 2015· Step 1 – Locate and disconnect the MAF sensor. The MAF sensor is located between the air filter housing and air inlet hose. On top of the sensor, you can see a harness connector situated next to the sensor module. To detach the connector, push down on the tabs and pull it straight out. Figure 1.
The air is then mixed with the fuel, and combustion is the result. This is what propels the car. There is a sensor on the air intake called the mass air flow sensor. This sensor calculates how much air to mix with the fuel. If you are using a cold air intake, the MAF sensor might not be calculating properly.
Learn more about GMC Sierra 1500 at the Car Forums! ... Change fuel filter. COST=under 10. 2.) Buy 1 can of CRC Mass Air Flow Sensor Cleaner. COST=under 10. 3.) Remove the MAF housing between the air box and the throttle body. Complete the following steps when vehicle is cold. 4.) ... Here is the strange part: if I unplug the MAF ...
Last ditch effort before the fuel pump was going to be the Cam Position sensor. I removed my distributor cap to find a fried rotor. I changed the cap and rotor, runs like a scalded ape now. I guess it should after New TPS, IAC, Fuel pump relay, Fuel filter, air/fuel modulator, Fuel injector flush, cleaned mass air flow sensor, etc.
Oct 22, 2018· 03/31/2021 10/22/2018. The symptoms of a bad mass air flow sensor include low engine power, poor fuel economy, an engine that won’t start, a check engine light on the dash and a gas smell from the exhaust fumes. A bad mass air flow sensor is often the likely culprit if your car isn’t running as it should. The job of the mass air flow sensor ...
Replace Bad Mass Air Flow (MAF) Sensor. The mass air flow sensor regulates the mass of air getting into the fuel injection engine. It then reports the same to the Engine Control Unit (ECU). When the mass air flow sensor is faulty there won’t …
Feb 24, 2020· Now, we are going to examine how it works, before trying to clean the mass air flow sensor of your GMC Sierra , you must already understand how it works to achieve this routine service act correctly. The mass air flow sensor is therefore mainly there to get info on the air intake of your car.
Locate the mass airflow sensor near the engine air filter housing. Press the red clip slightly to unlock it. Unplug the electrical connector from the mass airflow sensor. Remove the screws that hold the mass airflow sensor in place. Remove the sensor. png (1×1) Install the new MAF on your Chevrolet. Tighten the screws so that they are snug.
Jun 13, 2015· 1996 Mercedes R129 Sl 500 starts and Dies right away. Jump to Latest Follow ... Crankshaft position sensor Fuel pump Mass air flow sensor And still Nothing... Please if someone can help let me know ... Premium Member. 97 E420 (180K miles), 97 SL500, (93K miles) 2015 GMC Sierra Denali 2500HD CC/SB/4x4 Duramax(55K) Joined Sep 30, ...
May 09, 2007· Sounds like you may need to perform a security relearn. Try to start it, once it fires and dies, keep the key in the run position for 1112 minutes (until security light shuts off). ... 08 gmc sierra 4/6 drop /6L80e ... mine did that when i have a bad mass air flow sensor. went through 4 of them in 2 months. unplug that if you can''t figure ...
Oct 07, 2020· The mass air flow sensor measures the air mass flowing into the engine intake. Measuring air mass is critical in calculating how much fuel to add to achieve the correct airfuel ratio (AFR). The ideal AFR is :1 ( pounds of …
Dec 10, 2006· P0401 Exhaust Gas Recirculation Flow Insufficient Detected I have replaced the EGR valve, cleaned the PCV valve, changed plugs, plug wires, distributor cap rotor, and changed the fuel and air filter. None of these have made any difference. I have been told that the MAP sensor and/or the MAF (Mass Air Flow) sensor could also cause this code.
Oct 31, 2021· Yea 2012 GMC Sierra sl 4/4. Chevy Mechanic: ... Should I replace the Air mass flow sensor and mapping sensor? ... I have a 96 2500 w/ dont show signs of running rich on a scanner , but i could be missing something to I,m rusty on using a scanner anymore .
03 chevy silverado.. same issue.. Replaced fuel pump been running fine. Today it just stalled out.. Got it running after about 5 mins drove home. Only code it was throwing is p0101 so went bought new mass sensor.. Changed it ran fine better then …
Problem Description. The mass air flow or crankshaft position sensor may fail causing the engine to stall intermittently. Proper diagnoses will be necessary to determine the cause of any stalling condition. 149 people reported this problem.
Jan 22, 2009· How To Test The GM MAF Sensor (, , , And ) This is one of the easiest mass air flow sensors to Test. The following Test is an On Car Test that checks the performance of the MAF sensor with the engine running. You''ll test this GM MAF sensor with a multimeter that can read Hertz (Hz) Frequency.
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