Question about 1990 Volvo 240
There are several things to look at, there is an upgraded ecu you can purchase because this has become common place. the crank position sensor is another likely culprit. but from my days with volvo, i would strongly recomend getting an updated ecu and just driving it. you have a great little car there. enjoy.
Posted on Nov 16, 2009
Is there a service engine soon light active, if not have you had the vehicle scanned for trouble codes?
As it stands right now there could be a number of components that could be causing the problem or as you put it, temperature sensitive.
At the time the engine quite during your delivery stops, did you check to see if you had spark at a spark plug while the engine was cranking?
I would start with the basics first, scan the vehicle for trouble codes, verify fuel pressure using the appropriated fuel pressure gauge, verify secondary ignition while cranking and verify injector pulse while engine cranking.
Lets start there and see if any are missing before we start replacing parts.
Let me know.
Posted on Nov 15, 2009
The ignition module is temp sensitive when it is going out.The mass air flow has a much wider range than this also,If the vehicle can run,try lightly taping on the mass air flow,if it has issues,it will show up here.Ignition module,and the cam sensor are more heat sensitive than the others,and o2 is more of a monitor for the computer,will not affect the dieing out.It does sound more like ignition module to me.I hope this helps,if so,let us know,thank you.
Posted on Nov 15, 2009
Take a close look at your grounds and power connections, make sure they are good and clean. also check the terminals inside the plugs and connectors for the maf., injectors, etc. if corroded, can easily be temp sensitive when they are bad.
Where was the ground for your meter when you read the 1.4 vdc? did you try it directly on the battery?
Anouther thing keep in mind is, sometimes a hair dryer, or heat gun, works good to heat things up untill it crapps out. try heating up the computer.
Hope this helps
Posted on Nov 14, 2009
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Posted on Jan 02, 2017
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