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2000 Chevrolet Express 2500 5.7L Poor Idle Quality
Posted to GM Driveability on 8/19/2013 14 Replies

Ok so this Express van is really throwing me for a loop here. The idle is at about 2270 rpms in park. I changed the IAC motor last time and cleaned out the port it sits in. Engine ran fine for the last 3 weeks but now its back again with the same issue of a hi...

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  Related Documents & Media  2000 Chevrolet Express 2500

 
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Express 2500

VIN 1GCGG25R8Y
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

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

car Vehicle Data

2000 Chevrolet Express 2500

VIN 1GCGG25R8Y
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

P0507Idle Speed Control System Higher Than Expected