Reduced engine power

Asked by Mar 13, 2017 at 04:32 PM about the 2007 Pontiac Grand Prix Base

Question type: Maintenance & Repair

I replaced the app
sensor.rescanned and that code
was no longer there,but I have 3
or 4 more codes coming back..
Any ideas plz?

3 Answers

85,635

Sure if you would have posted the codes. Post the codes and we can let you know what they stand for.

P2120 P2138 P2440

85,635

P2120 - Throttle/Pedal Position Sensor/Switch 'D' Circuit...Possible causes; Faulty Accelerator Pedal Position (APP) Sensor, Accelerator Pedal Position (APP) Sensor harness is open or shorted, Accelerator Pedal Position (APP) Sensor circuit poor electrical connection, Faulty Powertrain Control Module (PCM).......P2138 PONTIAC - Accelerator Pedal Position Sensor 1-2 Correlation...Possible causes; Faulty Accelerator Pedal Position Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal Position Sensor circuit poor electrical connection, Faulty Electric Throttle Control Actuator... When the code is detected... The Engine Control Module (ECM) has detected that the APP sensor 1 and APP sensor 2 disagree more than 4.5 percent for less than 1 second......P2440 - Secondary Air Injection System Switching Valve Stuck Open Bank 1...Possible causes; Faulty Vacuum Switching Valve (VSV), Vacuum Switching Valve (VSV) harness is open or shorted, Vacuum Switching Valve (VSV) circuit poor electrical connection, Faulty Pressure Sensor, Faulty Air Switching Valve.

Your Answer:

Grand Prix

Looking for a Used Grand Prix in your area?

CarGurus has 44 nationwide Grand Prix listings and the tools to find you a great deal.

Postal Code:

Pontiac Grand Prix Experts

  • #1
    Js08016
    Reputation
    4,740
  • #2
    Tom Demyan
    Reputation
    3,320
  • #3
    munron
    Reputation
    2,900
View All

Related Models For Sale

Used Chevrolet Impala
20 Great Deals out of 989 listings starting at $1,995
Used Pontiac G8
9 listings starting at $7,950
Used Dodge Charger
36 Great Deals out of 918 listings starting at $4,500
Used Chevrolet Monte Carlo
14 listings starting at $6,990
Used Pontiac Grand Am
21 listings
Used Pontiac G6
109 listings starting at $3,997
Used Chevrolet Malibu
45 Great Deals out of 1,985 listings starting at $2,390
Used Pontiac GTO
5 listings
Used Ford Mustang
24 Great Deals out of 1,221 listings starting at $3,995
Used Dodge Challenger
18 Great Deals out of 1,002 listings starting at $10,990
Used Nissan Altima
47 Great Deals out of 1,232 listings starting at $2,800
Used Honda Accord
30 Great Deals out of 1,640 listings starting at $2,671

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.