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My diagnosis...Comments Please

So I have had occational no start...
good crank, tach moves
Jumper to fuse 5 runs the fuel pumps and the car starts...
Fuel Pump Relay right?
Miguel
--
My First Volvo - stock (for now) '84 244, 230+kmi. Owned it since 9/03








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My diagnosis...Comments Please

One often overlooked item, that really causes hard starts or lots of cranking, as opposed to a no-start, is the check valve in the fuel pump outlet. This keeps some pressure in the system, and prevents it from draining back through the fuel pump to the tank. That way, the first time an injector fires on startup, there's fuel right away, rather than waiting for pressure to build up from nothing.
It's just a few bucks and could make a big difference in starting behavior.
As always, make sure all ignition components, and vacuum lines & gaskets are in good shape.
And with 83-84 cars, the AMM is always suspect- if you can find another good used one, try it out to see if the situation improves.
--
Rob Bareiss, New London CT ::: '87 244DL/M47- 225K, 88 744GLE- 209K, 91 244 183K. Also responsible for the care and feeding of: 88 745GLE, 229K, 88 244GL, 146K, 87 244DL, 235K, 88 245DL, 236K








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My diagnosis...Comments Please

this makes sense...

I have had harder starts parked up hill then down
and have thought of this ... maybe I have two problems here

Miguel
--
My First Volvo - stock (for now) '84 244, 230+kmi. Owned it since 9/03








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My diagnosis...Comments Please

Sounds right to me. Unless it's the relay harness connector. I've heard of bad/failing crimp connections (or breaks at the crimp) for the ground from the ECU. But I can't recall if it was specific to certain years.

Bruce
--
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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