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Help needed diagnosing- will only idle after warm-up 1991 240 200

posted by  keithostertag on  Thu Mar 22 21:03 CST 2012
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last visit: Tue Jun 17 15:10 CST 2014
[RELATED]

Hi Phil-

The Air Intake Hose (AKA accordian hose) evidently had a hairline crack where the connector from the Air Breather Hose (from the IAC) connected. Finally it completed sheared off, see the photo posted in the thread. That was causing the hard starting, evidently, while it was just a hairline crack. Now that I have replaced the accordian hose the car starts fine. Runs OK. But I still want to get to the bottom of the fuel rate/flow problem- I measured only half what it should be. I'm gonna see if a mechanic friend of mine can measure the fuel pressure in a few weeks.

Thanks,
keith
--
1991 240 Sedan B230F LH3.1 M47 300K miles






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