95 geo tracker runs fine but bucks or surges at 25/30 mph slow cruise accelerates like rocket. 8valve or 16v valves, big diff ! bucks, needs a tune up. surges are too lean . for surge check fuel ...
...95 blazer i had,first i thought it was the egr valve, so i took it off cleaned it real good both valve and intake, put it back on it helped but it was still there, my friend a cert. michanic said it ...
95 Ford f150 5.0. When weather is cold takes several trys to get started and have to play with throttle to keep running. Barely runs till up to normal temps but rarely runs good. Idle surges and truck
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