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Old 09-18-2009, 07:12 PM   #1
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Default stalling 96 bonneville

so I wanted to update on the stalling my bonne is doing on warm restarts.. so far its not fixed
update on repairs
crank position sensor
harmonic balancer
tp sensor
air idoler sensor
mass air flow sensor
pcv
fuel pressure regulator
fuel filter
engine coolant temp sensor
plugs
wires
tested coile packs and ignition modual
New engine control modual
I think thats it so far....
$1100 later still has problem..
recent discovery, coolant fans are not operating, mech is tracing short, but relays all good and when bypass ground is ran fans kick on..
mech said lots of corrotion when engine control modual was removed and replaced..
mech insists the fan sensor switch is good and must me shorted wire.
Im now thinking that this was the problem the whole time???
last two mech. said the car stalled after idol for 1 hr, to hot??
I never had it stall.
perhaps the car did not want to restart cause it new it was too hot?? any ideas??
I never had it overheat but since I replaced the ect sensor I noticed the car ran warm, average 220 up to 235 according to guage.. lemme know guys!!!
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Old 09-18-2009, 08:32 PM   #2
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The only thing that comes to mind is a cracked coil. When this happens the coil will test good, but act different when hot.
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Old 09-18-2009, 08:47 PM   #3
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thanks dan.. I did test them hot.. and right after the problem happened.
does it seem resonable that the car is getting to warm and telling itself not to start till it cools more??
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Old 09-18-2009, 09:13 PM   #4
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Yes, that did come to mind, but you have engine coolant temp sensor listed as what has been changed.
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Old 09-18-2009, 09:17 PM   #5
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yeah it was changed, but I wonder if the car was getting to warm due to fans not working, but was ok while driving, but then when it stoped the temp might have spiked a bit??
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Old 09-18-2009, 09:28 PM   #6
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What does the temp gauge say? It is possible that is what'* going on.
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Old 09-18-2009, 09:45 PM   #7
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the temp used to never go above 205ish with the original. as soon as I put the new one in it runs at 220, and goes as high as 235.
I dont know how warm it got while mech had it, but he said after an hr it just shut off and the fans never kicked on. he said that when they did a bypass ground they could get the fans on, but they think a wire is broke.. I always watched the temp since I changed it cause I thought it was a lil high, but was told GM is normal up to about 240, so I watched it but didnt think it was a problem..
The car sets no codes at all! thats why they said to change the computer, but it still has the restart problem when it is hot! and only problem when hot.



Moved to appropriate mechanical section for better visibilty by similar Model owners. ~Venom
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