Hi i have an old volvo 740 tic 88 that really runs fine,but a couple of days ago my girlfriend used the car and it suddenly stops,it just died.The starter runs but the engine wont ignite.if u wait an hour or so then there is no problems to start it mostly.I have checked the sparkplugs and the rest of the ignition parts but i cant see anything wrong,the same with the fuses they are all fine,any suggestions?
The 740 and 240 have nearly identical drivetrains. Locations of some items could be different - however I expect that you have the same two fuel pumps as the 240.
To quote from "1986 240 DL - Won't start" (posted today, 7:49 a.m.)
If engine turns over but does not catch, then you must have a fuel or spark problem. Easily fixed versions of these:
1) Bad ingition system fuse (0r bad contact in the fuse/holder). It's a white plastic holder, about 1 foot rear of the battery, on the fender wall (on the 240). Handle with care as it has two positive wire leads; either will ground to anything if they come loose.
2) Fuel pump relay kicked loose from its wire plug-in. In the 240, it islocated in front of front passenter's right foot, on the firewall. An angry passenger kicked mine loose a couple times. Or the relay could be dead. Other trouble sources: bad computer, bad in-tank or out-of-tank fuel pump (you have one of each). All these are jobs for a knowledgable shop and will cost some good money.
Bruce Pick
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