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1997 CSE sudden rough running, stalling Posted by JerseySaab [Email] (#666) [Profile/Gallery] (more from JerseySaab) on Thu, 13 Apr 2023 13:09:37 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Suddenly today when idling in the driveway at operating temperature my '97 CSE engine starting chugging and then stalled out, even backfired. My first thought was the DIC, so I installed a brand new one I had on hand along with new spark plugs.
The new DIC and plugs made no difference, starts right up but still running rough. Next I went looking for vacuum leaks and did not see anything obvious. A quick check with my Tech2 showed no trouble codes stored. (Kind of surprising. I was expecting at least to see misfires.)
Air filter is new. Fuel filter has about 35K miles on it and is an obvious suspect, so I'll change that. Also using the Tech2 to look at data might give some clues if it's not the fuel filter. Any other common point of failure that I should be looking at here?
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