Thread: Thump and knock
View Single Post
Old 05-12-2022, 12:29 PM   #3
JFP in PA
Registered User
 
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,614
Quote:
Originally Posted by DWBOX2000 View Post
My friends 99 986 base has the codes p1128 and p1130. It seems to idle okay but under throttle, the power cuts in and out (we actually stalled driving) and there is this thud coming from I believe the left side. It starts fine every time. He described as thumping and choking? Car has just under 100k on it.
Any thoughts on easy first steps?
Thank you.
On the early (pre-2000) cars, these codes indicate an overly lean condition, usually an intake air leak or low fuel supply.
__________________
Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
JFP in PA is online now   Reply With Quote