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Showing results for tags 'intake'.
So this problem seems to plague a lot of 2004 - 2007 Vulcan engines. There are a lot of places where a vac leak can occur but this one seems to stump people. The symptoms usually include hard starting when cold, surging/erratic idle and hesitation on acceleration. My car was exhibiting the first two and was probably on its way to the third. After spraying starter fluid and checking all vacuum hoses I couldn't find any leaks. Then, while searching online, I found a topic on the other site that explained this problem and I decided why not put up a howto here? Before starting it's always good
Alright! I'm new to this fancy Taurus/Sable club, so don't beat me into the ground right off the bat! I've owned this 00' Sable LS Prem. for a couple years now, gifted to me by my grandmother. She claimed it wouldn't start one day. After some research, my father and I replaced the PCV valve and elbow doo-hickey. Pleasantly it started and ran, but would begin misfiring under light loads (hills, quick take off, fat friends, etc.). So, as any reasonable 19 year old backyard mechanic would do, I changed the spark plugs, oil, oil and air filters. Ran great! But then winter came, and it would mi