Question about 2000 Chevrolet Blazer
Check engine light is on, upon accelorating, there is hesitation. Almost feels like the engine is choking and can't accelorate quickly. Hooked up a diagnostic tool and got the code P0101, but I don't know what that means
Basically this means that there is a problem with the Mass Air Flow (MAF) sensor or circuit. The computer detects that the actual MAF sensor frequency signal is not within a predetermined range of the calculated MAF value for more than 4.0 seconds.
You will likely not notice any serious drivability problems, although there may be symptoms.
The simplest thing to do is to reset the code and see if it comes back. Then start with the cheapest, easiest repair procedures:
An incorrectly routed harness--Inspect the harness of the MAF sensor in order to verify that it is not routed too close to the following components:
- The secondary ignition wires or coils
- Any solenoids
- Any relays
- Any motors
Posted on Nov 17, 2009
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Posted on Jan 02, 2017
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