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Re: Help....run'n rich 700 1988

posted by  someone claiming to be Brendan on  Tue Oct 31 04:38 CST 2000 [RELATED]

1. Check the fuel pressure. I could watch the fuel gage drop on my '90 745t when the fuel pressure regulator went bad. They usually fail to a rich, ie too much pressure condition. $50 from dealer.

2. Oxygen sensor. You can test with a multimeter, replacements are available for as little as $30.

3. Fuel injection coolant temp sensor. Test with multimeter. $35 from toyota/volvo of keene

3. Cold start injector leaking (may not have one on this year)

Just some simple things to start with..

Brendan

'90 745t m46 171k





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