"Hiccup" or "miss" on hard acceleration - Saab 900 Bulletin Board - Saabnet.com
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"Hiccup" or "miss" on hard acceleration
Posted by RayV (more from RayV) on Sun, 11 Feb 2001 13:47:49
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Prior to yesterday, I noticed the Turbo guage only getting to mid yellow and there was a flat spot in acceleration on my '88 SPG. Wires are good. I haven't pulled the plugs, but they're NGK's and it's obvious they were just changed. Cap is new. Been reading the posts and the AMM seems to come up for these cases. I changed that with another '88 and the car was significantly better. The boost guage seems to behave better and I appear to be getting full boost now. I thought I had it licked and then this annoying "hiccup" starts when charging hard, mostly in 3rd gear, but it's done it in 2nd too. One really noticeable hiccup and then it gets a 2nd wind and starts accelerating even harder. I changed the distributor vacuum line but that didn't help. Any ideas?
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