I know this is not a Pontiac related, but it's a problem that's been driving me crazy. I have a 1986 Caprice Classic, my girls call it the limo...LOL. Here's the problem, it had a hesitation at about 25 -30 mph, trying to go up hills was a nightmare until it shifted into low gear, then every thing is find.
Then it seems like it has no power. So I changed cap, rotor, wires, fuel filter, plugs, check the timing, that was ok.
When none of that work, I had some else look at it, he said the EGR valve was gone, so he
disconnected the ERG valve and plug the hose, the hesitation was gone, but then it started pinging. Now every thing seems fine for the first 5 minutes of driving, until it gets hot, no pinging, but after that it's ping city, and no power. So I put a new EGR valve in, still pings. I thought the weights in the disb were sticking, so I check, guess what no weights in this disb. Now the car has been at a garage for two days, he says he can't find the problem, and it looks light some one has been into the crab. He check the crab pump, says it's ok, and suggested it mite be the crab. Now I have one that came offer my Caprice wagon ( same crab ) that I know works good. Has anyone had this problem ? Could it be the computer ? any help will be appreciated .
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