
2003 GMC Savana 3500 6.0L Poor Idle Quality, MIL Lamp on
replaced intake gaskets on van, and on initial start up after repair van idled at 3800 rpm. saw that iac valve counts were at 0 and fuel trims on both banks immediatly started counting up. assumed that i had caused the problem by removing intake. removed again...
FIX posted 12/30/2008
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Message Closed w/FIX
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VIN | 1GTHG39U43 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0507 | Idle Speed Control System Higher Than Expected |
Message Closed w/FIX
Vehicle Data
2003 GMC Savana 3500
VIN | 1GTHG39U43 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0507 | Idle Speed Control System Higher Than Expected |