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1990 Chevrolet Astro 4.3L MIL Lamp on
Posted to GM Driveability on 3/28/2006 2 Replies

hello all came in for smog test failed for nox and check engine light inop, egr has no vacuum to it, when grounding control wire at ecm egr receives 10" vacumm, when grounding the cel wire at ecm light works, checked all power and grounds to ecm ok, replaced e...

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  Related Documents & Media  1990 Chevrolet Astro

 
Message Closed w/FIX

car Vehicle Data

1990 Chevrolet Astro

VIN 1GTDM15Z2L
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbio
Emissionsobd1, ca emissions
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

32egr system problem
Message Closed w/FIX

car Vehicle Data

1990 Chevrolet Astro

VIN 1GTDM15Z2L
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbio
Emissionsobd1, ca emissions
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

32egr system problem