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Main fuel pump doesn't come on until engine is running...

uid 18083's pic
posted by  lucid on  Sun Jan 11 13:01 CST 2004
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last visit: Fri Oct 24 12:31 CST 2014
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Some may argue, but I think your pump "symptom" is normal for an '87 with LH 2.2 injection. (Some do, some don't. My '86 never did.)

My '93 940 has Regina FI (with much in common with LH 2.4) and does "buzz" the pumps for a second with Key ON, before cranking.

So my hunch is that the Key On Buzz came in with LH 2.4, which would be '89 for the 240s. Just a hunch.
--
Bruce Young,
'93 940-NA (current)
'80 GLE V8 (Sold 5/03)
'83 Turbo 245
'76 244 (lasted only 255,000 miles)
73 142 (98K)
'71 144 (track modified--crusher bound)
New 144 from '67 to '78
Used '62 122 from '63 to '67






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New Main fuel pump doesn't come on until engine is running...
posted by  TJAM2K3  on Sat Jan 10 21:41 CST 2004 >


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