Upper throttle body assembly
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Upper throttle body assembly
We have 1994 Dodge B350 van with the 318 gas engine. Was sputtering, backing firing out the exhaust and the throttle body and rough idle. Replaced a lond list of things from the main computer to the throttle body and it’s censors. Ran great until we hit a massive pot hole, engine shut off. Pulled over, van started and we drove home. Next day it wouldn’t start because the battery was broken! Got a new one but now running like before. Could that hard hit have broken the throttle body? The one that was originally in it when we bought the van was 12R10896B, Rreplaced with a 12R15041B. Original Mopar part # was 53031120. Can’t find a replacement part number for the Mopar. Found a 12R-15041B, not sure why the - in the number. Anyone know if it will work with this van? How can you check for cracks in these?
Thank you for your help! Marycasimira
Thank you for your help! Marycasimira
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I'd be more inclined to think a shock like that would damage the main board in the computer long before the throttle body. The only way to test for cracks with it on the vehicle is to use a smoke machine.
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If it were the brain though, wouldn’t there be a trouble code? That’s what happened before. It did give us code that another censor had gone out, replaced it and computer cleared the code.
Last edited by Marycasimira; Feb 18, 2018 at 12:25 PM.
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Seems to me, if the long list of parts (sensors) fixed the backfiring/rough idle, but the pot hole jolt caused it to start running same as before, those replacement sensors is where you might begin checking...
troubleshootmyvehicle.com in the Chrysler section gives some good easy to understand walk thru's for testing some of the sensors
It may be helpful if you could list which sensors/parts were replaced and what were the brand of the new ones... aftermarket ones aren't very popular , you'll see as you read through related threads in the forums.
troubleshootmyvehicle.com in the Chrysler section gives some good easy to understand walk thru's for testing some of the sensors
It may be helpful if you could list which sensors/parts were replaced and what were the brand of the new ones... aftermarket ones aren't very popular , you'll see as you read through related threads in the forums.
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Then found the forums here and the answer to why my engine was dying on me at stops, so switch out the cks with a bwd brand sensor and after a few months it failed but the symptoms were not the same... It would drive a handful of miles then suddenly run rough and engine would cut out at low speed, maybe 35-45 mph then simply die and not restart for 15-30 minutes. then would start and repeat the same thing, drive a few, cut out and die.
Replaced cks with an autozone brand and has run well for about 2 years so far, but next one will be a Mopar one, have it ready for when that day comes.
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