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Post: Vacuum leak?...Bad Carb?...you tell me

gchemist
Senior Chevytalk Moderator
Posts: 20820

Loc: Austin, TX 78748
Reg: 05-09-00

07-16-12 06:13 AM - Post#2248652
In response to Vaughn

Check the PVC again. Next take a hammer and bang on the catalyst converter. If is sounds like a full sandbox, it's collapsed. Check the sound of the exhaust. Does it sound muffled? Does the exhaust sound very low and forced? When the cat falls apart, exhaust is forced out and you loose power.

'83 Silverardo XST - ZZ4 powered
'96 GMC Jimmy LS

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