B2951 Buick Model B-g OBD Code

OBD/2 B2951 error code description and symptoms.

Low Speed Fuel Pump Primary Circuit Malfunction The PCM monitors the low speed fuel pump (LFP) primary circuit output from the PCM.
The test fails if: When the LFP circuit is commanded on (grounded), excessive current draw is detected on the LFP circuit; or when the LFP circuit is commanded off, voltage is not detected on the LFP circuit (the PCM expects to detect VPWR voltage coming through the low speed fuel pump relay coil to the LFP circuit). Open or shorted low fuel pump (LFP) circuit Open VPWR to low speed fuel pump relay Damaged low speed fuel pump relay Damaged PCM An open circuit or short to ground can only be detected with the low speed fuel pump.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

B2951 Buick Model B-g Error Code Repair Process :

For exhaust pressure control valve intermittent check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. B2951 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks exhaust pressure control valve intermittent with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Buick Model B-g B2951 OBD2 Code

A common cause of code B2951 is the failure of Exhaust Pressure Control Valve Intermittent, but there are several other possible causes as well, such as ;

EVAP canister or fuel tank leaks
Faulty select solenoid
Exhaust gas leaks
Fuel injector leaks

B2951 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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B2951 Buick Model B-g OBD Code

B2951 Buick Model B-g Error Code Repair Process :

Common Causes of Buick Model B-g B2951 OBD2 Code

B2951 code for other Buick cars