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Can the IAC and TPS be disconnected from the TB, then the IAC removed from the TB without causing any harm to clean the IAC?

How do you clean the IAC and TB? Out of nowhere my 1990 L98 started idling rough.

Can someone do me a huge favor and run this VIN: 4JGAB54E63A374222 Thanks!

I went to the local auto parts dealer looking to obtain a PF25 oil filter and to my surprise the location was empty but a sign hung in it's place saying PF25 is no longer available and gave an AC Delco part referance for a filter that's not as deep, same money less filtration. Has anyone else...

I have a question for those savvy on the radiator for a 1990, what type of fluid is carried through the top most metal tubing on the passenger side above the lower rubber hose?