Reduced engine power

Asked by Enzo_2919 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
220,925

Rowefast answered 7 years ago

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

1 people found this helpful.
Mark helpful
220,925

Rowefast answered 7 years ago

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.

1 people found this helpful.
Mark helpful

Your Answer:

Related Questions

  • Reduced engine power 4 Answers

    I have a 2004 Pontiac Grand Prix and when I turn the key to start it doesn't crank. It says reduced engine power

    2004 Pontiac Grand Prix

    -

    Maintenance & Repair

  • Reduced engine power 2 Answers

    My reduced engine power light came on while on expressway. I have a hole in my muffler which seems to be getting louder. The other day while accelerating onto e-way the car would not pick up speed....

    2005 Pontiac Grand Prix Base

    -

    Maintenance & Repair

  • reduced engine power 2 Answers

    i have a 2005 grand prix, reduced engine light comes on, car has no power, we changed the gas pedal relay, cleaned the throttle body, exaust is new, trans was rebult 2 years ago, i checked all groun...

    2005 Pontiac Grand Prix Base

    -

    Maintenance & Repair

  • Engine power reduced 2 Answers

    I have an 05 Pontiac grand prix gtp 3.8l engine not super charged. light came on engine power reduced and there was no check engine light on. I turn the car on but the car just turnt off. I couldn...

    2005 Pontiac Grand Prix GTP

    -

    Maintenance & Repair

  • Reduced engine power 2 Answers

    Ok so I have a 2006 Pontiac Grand Prix I have had it about a year and about a month ago the reduced engine power light came on. I have change the mass air flow sensor and also the throttle body and...

    2006 Pontiac Grand Prix GT

    -

    Maintenance & Repair

Grand Prix

Looking for a Used Grand Prix in your area?

CarGurus has 3 nationwide Grand Prix listings and the tools to find you a great deal.

Postal Code:

Shortcuts

Search Pontiac Grand Prix Questions

CarGurus Experts

  • #1
    munron
    Reputation
    8,130
  • #2
    james sparrow
    Reputation
    7,480
  • #3
    Dorian Hendricks
    Reputation
    6,000
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Pontiac G8
1 listing
Used Pontiac GTO
4 listings
Used Ford Mustang
41 Great Deals out of 1,643 listings starting at $7,999
Used Chevrolet Impala
9 Great Deals out of 130 listings starting at $4,888
Used Chevrolet Monte Carlo
5 listings starting at $9,800
Used Chevrolet Corvette
16 Great Deals out of 722 listings starting at $10,989
Used Dodge Charger
26 Great Deals out of 904 listings starting at $5,995
Used Pontiac Grand Am
1 listing
Used Pontiac G6
18 listings
Used Chevrolet Tahoe
11 Great Deals out of 832 listings starting at $9,980
Used Toyota Camry
44 Great Deals out of 1,134 listings starting at $4,795
Used Buick LaCrosse
4 Great Deals out of 29 listings starting at $6,995

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. Content will be removed if CarGurus becomes aware that it violates our policies.