answersLogoWhite
Ask
Chevy Trucks and SUVs
The Moon
Black Holes
US Army

Why would a 1990 Chevy pickup with a 5.7ltr barely idle at start up and blow black gunk out of the tailpipes?

678
Answer

Top Answer
User Avatar
Wiki User
2009-09-11 04:33:38
2009-09-11 04:33:38

It may need a new throttle positioning sensor, or the temp control plug it is located on the intake manifold towards the front, also may be timing, the gunk may be oil so your valve seals in the heads might be bad, good luck.

1
0

Related Questions

User Avatar

what is the wheelbase of a 1953 chevy pickup width and length?

User Avatar

It means the lobe is worn off of the CAM SHAFT. Need to replace cam and lifters.

User Avatar

how do you replace a CV joint on a 1992 Chevy pickup?

User Avatar

where do i put coolant in for 1994 Chevy s10 pickup

User Avatar

It will have to be of a 88-95 Chevy i believe.


Copyright © 2020 Multiply Media, LLC. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply.