Question about 2002 Pontiac Grand Prix

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Pontiac grand prix code P0131

Check engine light is on.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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mosthated357
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SOURCE: how to reset the "service engine soon" light on a 2001 pontiac grand prix gt

you can go to advance auto and use there scanner for free to clear the code its called an obd2 connection or when you disconnect your battery you can touch your black negative cable to your red positive cable that connects to the battery and it will completley drain everything and reset but warning you if your trying to get the car through emissions your gonna have to drive the car 50 or 100 miles after you disconnect the battery each time..

Posted on Sep 30, 2008

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SOURCE: Changed thermostat, grand prix gt, check engine light still on?!?

check evap vent solenoid alot stick on these cars.

Posted on Jan 13, 2009

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SOURCE: check engine light came on along with check gas cap

Did u have engine codes scanned? If not, have it done, as it may indicate the problem. Let me know. (most parts stores will scan for codes free) .

Posted on Mar 21, 2009

emissionwiz
  • 76848 Answers

SOURCE: reset check engine light

yes, disconnect the battery for 5 minutes.

Posted on May 15, 2009

Molson02536
  • 3854 Answers

SOURCE: 2005 pontiac grand prix, code p0641 came on. What

DTC P0641 The powertrain control module (PCM) provides a 5-volt reference to the following sensors:

The throttle position (TP) sensor 1
The accelerator pedal position (APP) sensor 2
The engine cooling fan speed sensor
The AC pressure sensor
The fuel tank pressure (FTP) sensor
The oil pressure sensor (OPS)
The PCM monitors voltage on the 5-volt reference circuit. If the voltage is higher or lower than required, DTC P0641 will set.

Conditions for Setting the DTC
The PCM detects a voltage that is higher or lower than required on the 5-volt reference circuit. The above condition is present for 1 second. Action Taken When the DTC Sets The control module illuminates the malfunction indicator lamp (MIL) when the diagnostic runs and fails. The control module records the operating conditions at the time the diagnostic fails. The control module stores this information in the Freeze Frame/Failure Records.
Conditions for Clearing the MIL/DTC The control module turns OFF the malfunction indicator lamp (MIL) after 3 consecutive ignition cycles that the diagnostic runs and does not fail. A current DTC, Last Test Failed, clears when the diagnostic runs and passes. A history DTC clears after 40 consecutive warm-up cycles, if no failures are reported by this or any other emission related diagnostic. Clear the MIL and the DTC with a scan tool.

Yes i can be dangerous, depending which issues mentioned above has triggered the code such as a faulty gas peddle position sensor. the code can also cause a reduced engine power to activate.

Thank you for using Fixya and best advice is to have the dealer address these issues. A tech 2 scanner would be needed to address the P0641 DTC code.

Posted on Mar 19, 2010

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I get a po455 code on my 2004 grand prix


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Apr 04, 2009 | 2004 Pontiac Grand Prix

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Check engine light came on along with check gas cap


Did u have engine codes scanned? If not, have it done, as it may indicate the problem. Let me know. (most parts stores will scan for codes free) .

Mar 21, 2009 | 2004 Pontiac Grand Prix

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