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I recently cleaned my throttle body, upper intake manifold, and EGR valve with carb & choke cleaner. The car starts fine but it idles and accelerates rough. I know the 0171 means its running lean and the 0113 means the IAT is seeing a high temperature. I also know that the 0171 is pointing to a vacuum leak, but I don’t think there is one and I haven’t found one. I used the carb spray to spot check for vacuum leaks with the engine running and I didn’t notice any difference in the idle. I’ve also cleaned the pcv valve and made sure the ball is rattling.I don’t want to thrown any parts at it. My question is could some of the carb cleaner or residue have gotten into the intake passages? Could the carb cleaner have damaged the TB? There’s a warning about the teflon coating…. Can I “clean this up” with some seafoam or deep creep without removing the UIM? Is the TB FUBAR? Doesn’t seem like this is going to resolve on it’s own and I don’t wanna make a bad situation worse. I’d really appreciate your help on this one folks. Suggestions / fixes welcome.
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