hay guys... i got no boost after the car reaches temp....
09-20-2007, 11:23 PM
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hay guys... i got no boost after the car reaches temp....
well jsut like it says ...no boost after temp is reached...then my engine light comes on.....
i check the code and it came up 56... witch is a vacuum issue it think?
what i dont know is why i would have boost for quite some time and then it just seem to stop....do you think something is over heating?
i picked up a 180 thermostat just for fun....in hopes that it will do some good
i check the code and it came up 56... witch is a vacuum issue it think?
what i dont know is why i would have boost for quite some time and then it just seem to stop....do you think something is over heating?
i picked up a 180 thermostat just for fun....in hopes that it will do some good
09-21-2007, 07:14 AM
#4
DINOSAURUS BOOSTUS
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I'm leaning toward the Quad B fault that you mentioned in your other thread.
It probably is a BCS, however by removing one of the vac hoses (I don't remember which..I think the one on the BCS you will put yourself into full boost. This is bad as it won't allow your car to dump boost between shifts etc. Don't leave it like this for any longer than needed for testing.
It probably is a BCS, however by removing one of the vac hoses (I don't remember which..I think the one on the BCS you will put yourself into full boost. This is bad as it won't allow your car to dump boost between shifts etc. Don't leave it like this for any longer than needed for testing.
09-21-2007, 09:24 AM
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ok...should i do it until i reach temp...and should i do this be for i put in the new thermostat?
i will try to check other posts to see what hose it is....
i will try to check other posts to see what hose it is....
09-22-2007, 07:33 AM
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i did find another post about this topic but i did notice something different in the pic...there is a terminal near the BCS that has 2 vacuum hoses hooked up to it...well i have three...can you give me a link to another post that has the BCS Test but form my 93'
i will keep looking ..thanks for you help
i will keep looking ..thanks for you help
09-22-2007, 12:01 PM
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sure this was it...i think i can still use it but i just want to make sure.....
http://www.bonnevilleclub.com/forum/...ic.php?t=84983
http://www.bonnevilleclub.com/forum/...ic.php?t=84983
09-22-2007, 12:38 PM
#10
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Same procedure. It'* the elbow you're after.
Do NOT run like that long-term. I suspect your PCM is pulling boost to protect itself for some reason.
I'd like you to compare resistance between both of your ECT'* for starters. After that, warm the car up until the problem starts, keep it running, and spray carb cleaner lightly on all vacuum connections, and around the base of the supercharger. If the idle changes, you have a boost/vacuum leak.
Do NOT run like that long-term. I suspect your PCM is pulling boost to protect itself for some reason.
I'd like you to compare resistance between both of your ECT'* for starters. After that, warm the car up until the problem starts, keep it running, and spray carb cleaner lightly on all vacuum connections, and around the base of the supercharger. If the idle changes, you have a boost/vacuum leak.