Question about 1993 Volvo 240
Our 1993 Volvo 240 DL has stopped running three times now. The first time we replaced the crankshaft sensor and the fuel injector sensor [no code given]. The second time we replaced the MAS air sensor [code presented with check engine light]. The price is climbing. What will we replace next? The same symptom of engine shutdown, with or without ck engine light, for all three events. This time, after about 30 minutes I cranked the engine and ran it at idle for 5 minutes before it shut off again.
If it cuts out after driving a while, one or both fuel pumps are a common culprit. After they warm up, they have a tendency to "fail" for a short while. When they cool back down, they work again. If you don't have any problems caused by lack of fuel while the car is still running, i'd suggest replacing the in-tank pump. If your car lacks power while it's running, your problem is most likely the secondary fuel pump, which provides the fuel system with the higher pressurse required for proper high speed operations. Also, do your fuel filter at the same time, to prevent other problems.
Posted on Nov 04, 2009
Check the relays. A worn connection could cause this.
The fuel pump relay is often the culprit.
If you try twisting the relays, gently while it's running, or while you try starting it, you may find the problem.
Hope that's it.
Posted on Jul 22, 2009
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Posted on Jan 02, 2017
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