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It always either starts right back up, or it will start and instantly die, (maybe similar to the kind of start (or non-start) you will get if the ballast resisitor is disconnected?)
Since putting on the new wire harness, it idles high (about 1800) and smooth for about a minute, then idles kind of rough. I cleaned the throttle body while manifold was off.
I've checked the gounds points for the main and secondary pump, both seem good.
New intank pump was installed about a year ago (the higher performance one that came in later models)
I've looked closesly at the vaccum hoses, didn't see any holes. Though I guess somtimes the hoses will have undetectable holes in them.
Will die whether hot or cold, whether idling or under aceleration. problem started out only occuring once or twice a week. I haven't driven it since the new (actually a good used) harness was put on, as it dies with in a few minutes of idling.
Sometimes after dieing, it will go through a series of start and die, for about six attempts, and then will start.
I have cleaned the fuse box (I have a new one I will install). And fuses all look good.
I have swapped in a half dozen different used fuel pump relays, and a couple of new ones with no difference.
I haven't actually gotten under the car to look at the electrical connection to the fuel pump.
Do you have any tests you can suggest? I have the bently manual, as well as the volvo problem solver binder (that thing is hard to read!)
thanks
-Bruce
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