Engine stumble after first start of day
12-28-2015, 04:38 PM
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Engine stumble after first start of day Recently did a few things to the car like coolant flush, replace oil pan gasket, and replaced steering rack. Ever since, when I first start the car after sitting overnight, the car will start fine but like 10 seconds after it starts the car bogs and the idle increases to catch it. This happens once then the car never does it again until the next cold start. What is going on? I've checked for vac leaks, cleaned the maf and iac, and replaced all o2 sensors. Still does it. I rarely drive it and I filled car up in spring and it's been down for awhile and I still have a 1/4 tank of that gas. Maybe bad gas? I'm really at a loss. Something is going on. It never did this before. And ideas?
