Question about 1990 Volvo 740
Rear main seal was leaking r&r auto trans replaced rear main seal. tried to start the vehicle but no success, found spark evident but injectors staying on causing cylinders to fill up with fuel. replaced suppress relay & computer. also found crank sensor wiring faulty so replaced sensor. found injectors to be functioning ok now but engine wont start, will crank over, has spark, has fuel but wont start??????????
please if you could help with this problem because its doing my head in.
Hi! Saft question But as your B20/23 is a safe engine the Cam/timing belt hasn't sliped a few teeth. Also make sure all relays are well seated in the base including the Big round one behind the ash tray/stereo. Have you replaced the fuel relay with the correct one? they differ, one has Copper Tangs the other has plated?
Check the wires from the cam sensor at rear.
Hope this helps?
Posted on Dec 01, 2008
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Posted on Jan 02, 2017
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