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1986 Chevrolet Corvette 5.7L Excessive Emissions, Surge, Misfire
Posted to GM Driveability on 10/24/2006 10 Replies

hello all vehicle came in for smog and gross polluted, at 15 mph hc1589, co3.49%, 25 mph hc405, co1.08%. scanned ecm no codes, idle is very unstable also, checked egr system seemsto be ok, performed pressure drop on injectors all drop approx 8 psi and ohmed in...

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  Related Documents & Media  1986 Chevrolet Corvette

 
Message Closed w/Summary

car Vehicle Data

1986 Chevrolet Corvette

VIN 1G1YY078XG
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tune port
Emissionsobd1
SymptomsExcessive Emissions, Surge, Misfire
OccursAlways
Message Closed w/Summary

car Vehicle Data

1986 Chevrolet Corvette

VIN 1G1YY078XG
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tune port
Emissionsobd1
SymptomsExcessive Emissions, Surge, Misfire
OccursAlways