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96 Chevy Blazer Rough Ride!!


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acme77th
New User

May 6, 2012, 1:39 PM

Post #1 of 2 (2212 views)
post icon 96 Chevy Blazer Rough Ride!! Sign In

I need some serious help. 96 Chevy Blazer, 200k very rough idle. Shakes real bad and feels like its about to turn off. Also this loud hissing noise is coming from somewhere around the distributor. Already replaced distributor n cap n rotor.. Plugs n cables, Gas filter. Can it be some valve or sensor that needs replacing? Suggestions por favor.


nickwarner
Veteran / Moderator
nickwarner profile image

May 6, 2012, 2:26 PM

Post #2 of 2 (2189 views)
Re: 96 Chevy Blazer Rough Ride!! Sign In

A hissing noise coupled with running bad is almost always a vacuum leak. Look around the area at hoses and connections to the intake and find the culprit. Should smooth out instantly when leak is plugged up.






 
 
 






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