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1991 240 hesitation on acceleration. 200 1991

posted by  holdenjp on  Wed Apr 30 12:31 CST 2014
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last visit: Fri May 30 10:52 CST 2014
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ok, I have a problem that I can't seem to fix on my 1991 240. It started with a hesitation upon acceleration and my check engine light coming on. Eventually it just wouldn't start. I checked codes and it read that I was running lean, had a bad AMM, and bad TPS. I replaced the AMM and TPS with working used parts and replaced what turned out to be a non-working fuel pump both in tank and out of tank. All of these parts were either new or known to be good, and I read no codes after replacement.

I still have a hesitation on acceleration...

What should I check next? I don't have a check engine light anymore, but I have only driven it about 10 miles since replacing the parts. I got stranded last time this happened and I'd like to avoid the same fate. I figure I'm running out of parts to check...






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