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Code PO507, CLEANED THROTTLE BODY

1999 SILVERADO,4.8,V8,4X4,1500,AFTER CLEANING THROTTLE BODY,(VERY DIRTY),MIL LIGHT WENT OFF, BUT SCAN TOOL OBD11,GIVING ME CODE PO507,HOW CAN I RESET ECM TO LEARN NEW IDLE,MY UNDERSTANDING IS THAT ECM ADJUST IDLE WHEN THROTTLE IS DIRTY,SO NOW IT HAS TO RESET,SINCE IT'S CLEAN ,NOT SURE IF I GOT THIS RIGHT ANY ADVISE APPRECIATED AS ALWAYS

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You can do a relearn first reset clear mil -code if you can do it with scanner or disconnect battery for a few minutes ----start and let idle for 3 minutes and watch idle should start going down turn off for 60 seconds and let idle again for 3 minutes turn off for 60 seconds and start up and take a drive for about 20 miles need to have speed get up above 44miles per hour for a bit than off gas and let decelerate than back up on speed do this a few times while on drive throttle body should relearn

Posted on Apr 20, 2014

  • PEDRO RIOS
    PEDRO RIOS Apr 20, 2014

    THANKS ALOT,WILL TRY TOMORROW,REALIZED MY INSPECTION STICKER HAS EXPIRED,HOPE IT'LL PASS,I COULDN'T FIGURE OUT HOW TO DO IT WITH MY SCANNER,WILL FOLLOW UP WITH RESULTS

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If u can erase the code and that should turn off or reset the check engine light

Posted on Apr 21, 2014

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I would disconnect battery. wait a few minutes. Reconnect battery & start

Posted on Apr 19, 2014

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COULD THE GAS PEDAL CABLE CAUSE THIS CODED PO507 to be high


Extracted from Engine-Codes.com

Code P0507

Possible causes

- Dirty throttle body

- Electric throttle control actuator misadjusted or damaged

- Faulty Electric throttle control actuator

- Intake air leak

- Poor electrical connection to the Intake Air Control (IAC) valve


help.jpg What does this mean?

Tech notes

If there are no intake leaks, clean throttle body, adjust engine idle and erase engine code. If the code comes back you may have to replaced the Electric Throttle Control Actuator (Motor) to repair the problem.



There is a factory service bulletin for the following Chevrolet models:



2006-2008 Chevrolet Trail Blazer

2007-2008 Chevrolet Avalanche

2007-2008 Chevrolet Express

2007-2008 Chevrolet Silverado

2007-2008 Chevrolet Suburban

2007-2008 Chevrolet Tahoe

Chevrolet Factory Service Bulletin OBDII Code P0507


What does this mean?

When is the code detected?

Thi P0507 code sets when the Powertrain Control Module (PCM) detects an engine speed outside of the Idle Air Control (IAC) valve range of control.

Possible symptoms

- Engine Light ON (or Service Engine Soon Warning Light)

- Engine hard to start

- Rough or erratic idle speed

P0507 Chevrolet Description

The Idle Air Control (IAC) valve is a Powertrain Control Module (PCM) controlled stepper motor located on the throttle body. The stepper motor drives a valve pintle which protrudes into a passage that bypasses the throttle plates. The PCM commands the IAC valve pintle to extend to decrease the idle speed. The bypass air flow is reduced and the idle speed decreases as the pintle approaches its seat. The PCM retracts the IAC valve pintle away from its seat to increase the idle speed. The retracting of the IAC valve pintle allows more air to bypass the throttle plates. One of the PCMs uses for the IAC system is to maintain a desired idle speed. This DTC sets when the PCM detects an engine speed outside of the IAC\'s range of control.





Read more: http://engine-codes.com/p0507_chevrolet.html#ixzz3ObdI2chF

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