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International Automotive Technicians Network
1997 GMC Savana 2500 5.7L Poor Idle Quality
Posted to GM Driveability on 5/16/2007 9 Replies

hello all. we have a problem with this van. It came in with code po507, idle control system high rpm. We cleaned throttle body, smoke checked for vacuum leaks and installed a new iac motor. the idle speed is about 200 rpm above desired rpm. the code sets in fr...

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  Related Documents & Media  1997 GMC Savana 2500

 
Message Closed w/FIX

car Vehicle Data

1997 GMC Savana 2500

VIN 1GTGG25R5V
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

P0507Idle Speed Control System Higher Than Expected
Message Closed w/FIX

car Vehicle Data

1997 GMC Savana 2500

VIN 1GTGG25R5V
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

P0507Idle Speed Control System Higher Than Expected