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

73,065

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

P2120 P2138 P2440

73,065

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 80 nationwide Grand Prix listings starting at $1,800.

Postal Code:

Pontiac Grand Prix Experts

  • #1
    Js08016
    Reputation
    4,370
  • #2
    Tom Demyan
    Reputation
    2,980
  • #3
    munron
    Reputation
    2,360
View All

Related Models For Sale

Used Chevrolet Impala
62 Great Deals out of 934 listings starting at $1,900
Used Pontiac G8
15 listings starting at $6,495
Used Dodge Charger
77 Great Deals out of 811 listings starting at $1,999
Used Chevrolet Monte Carlo
13 listings starting at $8,900
Used Pontiac Grand Am
38 listings starting at $3,960
Used Ford Mustang
9 Great Deals out of 1,178 listings starting at $3,350
Used Pontiac G6
10 Great Deals out of 150 listings starting at $1,900
Used Pontiac GTO
3 listings starting at $12,998
Used Chevrolet Malibu
105 Great Deals out of 2,263 listings starting at $2,500
Used Chrysler 300
85 Great Deals out of 1,019 listings starting at $1,795
Used Dodge Challenger
11 Great Deals out of 886 listings starting at $11,998
Used Honda Accord
72 Great Deals out of 1,114 listings starting at $748

Used Cars For Sale

2008 Pontiac Grand Prix Base For Sale
22 listings starting at $2,200
2007 Pontiac Grand Prix Base For Sale
7 listings starting at $1,800

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.