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07-31-2006, 11:33 AM | #1 | |
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Oldsmobile Trofeo Trouble
I have a 90 trofeo 3.8 thats giving me gobs of trouble, first i aquired the car and it had a broken connecting rod because something had gone wrong and gas had gotten in the oil and thinned it causeing it to break.. The 3rd cylinder injector would always squirt gas even when the car wasn't running just when the switch was on. I replaced the engine and hooked everything back up put a new battery in but kept the old alternator and powersteering pump. I also replaced the ecm because error codes 41 and 47 said that was likely the problem. Now after i've done all this the 3rd cylinder still squirts gas all the time. I've tested the injectors and pump along with all of the fuel system. I tested the alternator on the car it was bad and i tested one off the car it was good. I put the good one on and it was then "bad" reading no output. Now i am thinking this is wiring. Also the ac does not work unless you just take the battery off the charger along with the radio and dash the speedo doesn't work but all the other gauges do if you turn on the lights and turn them off then the radio lights go out. ANY HELP would be great!?!!?!
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07-31-2006, 03:47 PM | #2 | ||
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Re: Oldsmobile Trofeo Trouble
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07-31-2006, 04:16 PM | #3 | |
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Re: Oldsmobile Trofeo Trouble
I forgot to mention everything is new all new injectors, rail, etc. and i've done all that using a noid light. I have two alternators, went to the parts store and tested it on the bench. it was good then i tested the one on the car, it was bad, went home and switched them and tested them again, this time the one that was bad on the car was good off of it and the good was bad. I ripped out the replacement ecm and put a new one in now it runs great but i still don't have any gauges unless i turn on the lights then the radio backlight goes out, i still have error codes 41 and 47, I replaced the ignition module, but that didn't change anything. pretty much i've been really busy today doing this. I've done every diagnostic and repair i can think of. Nothing seems to get it done. Maybe the body control module?
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08-01-2006, 03:50 PM | #4 | |
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Re: Oldsmobile Trofeo Trouble
I have got it running correctly with yet a different ecm, but now i still lack the gauges on the dash, are these controled by the bcm? Could the battery not charging be caused by this??
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08-01-2006, 06:54 PM | #5 | ||
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Re: Oldsmobile Trofeo Trouble
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08-02-2006, 01:07 PM | #6 | |
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Re: Oldsmobile Trofeo Trouble
the gauges did flicker when i tapped the dash, what does this mean and how do i get them to work
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08-02-2006, 04:01 PM | #7 | ||
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Re: Oldsmobile Trofeo Trouble
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08-02-2006, 08:36 PM | #8 | |
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Re: Oldsmobile Trofeo Trouble
The cluster works when i turn the driving lights on or anything on that switch. but if the cluster is working the backlight on the radio doesn't. So i know the cluster works
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08-10-2006, 01:09 PM | #9 | ||
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Re: Oldsmobile Trofeo Trouble
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08-17-2006, 11:06 PM | #10 | |
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Re: Oldsmobile Trofeo Trouble
Cluster problems are very common. Check ebay. Search the word "trofeo" and you will find an ad for rebuilt clusters for $109. I have never dealt with this person, but the ad is usually there.
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08-22-2006, 11:36 AM | #11 | |
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Re: Oldsmobile Trofeo Trouble
As i said earlier my cluster works when i turn on the lights but then the backlight on the radio goes out. My battery doesn't charge and my alternator is good, is there anyway to make the alternator charge the battery by itself?
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