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Hi guys,
My cars is having some minor issues. I did some research and think I have the problem narrowed down to either fuel injector, TPS, or dirty throttle bodies, but would like any additional input. First off, sometimes when I drive my car cold (both the engine and colder outside temp), it seems to lose power when I hit the gas. This clears up after only a minute or two of driving and has only done it a few times. Second, my car sometimes dies down (not completely, but loses some RPMs) when I put it into gear (auto tranny), and then it becomes normal right away. Third, it has a hesitation sometimes when I hit the gas from a stop; just a slight one that cures after a second or two. Fourth, it will occasionally idle high, like 2k rpms. Sometimes it will fix itself, but at least once time it has stayed that way after driving it for a while (this is while in park or neutral; Drive is normal). This, too, has only happened a few times. Last, when coasting, my car has a bouncy idle. As the car slows, the RPMs bounce up and down slightly, maybe 100-200 RPMs, with kind of a light popping sound (perhaps Borla exhaust). It's not bad, but it's getting annoying.
This all sounds like a lot, but they don't take too much away from the driving experience. I'd just like to get them fixed at some point. The previous owner supposedly put in new injectors and spark plugs. Could these issues all be tied together by a bad fuel injector(s)? I also found a post that mentioned checking the TPS and cleaning throttle bodies. I can do the ohm check on the injectors in the next couple days. I already searched and found some possible solutions to some of my issues, but am not sure if there is something else or if combined they solidify a certain problem. Thanks a ton guys! I'd be lost without this site.
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