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decrease in gas mileage from 25MPG to 20MPG 200 1989

posted by  B.C. on  Mon Jul 29 08:30 CST 2002
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last visit: Wed Mar 28 22:28 CST 2012
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Sounds like it's running too rich. I have had similar problems on my 88 and 86 244's, both B230F.

In the '88 I found a hole in the bottom side of the air hose, replaced hose. I replaced all the things you did, plus O2 sensor and coolant temp sensor. Still have the problem, but it's a little better. Also check the thermostats, both the one in the air box and the one in the cooling system.

Good Luck, I hope this helps.

Bob

:>)






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New decrease in gas mileage from 25MPG to 20MPG [200][1989]
posted by  Garge  on Mon Jul 29 04:25 CST 2002 >


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