Question about Buick Cars & Trucks
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Posted on Jan 02, 2017
when you put the key on do you have a check engine let me now please dont rate this as a thanks for trying let me now if you have spark to thanks pierre
Posted on Nov 09, 2008
3.8 engine you drain out coolant.remove serpentine belt and coolant hoses from water pump .then you remove pulley bolts then water pump bolts. then clean gasket surface be careful dont scratch the surfaces up.put in new pump. toque it to 29 ft the long bolts.torque .97 inch pound for short bolts.
Posted on May 01, 2009
I realize you may have already solved this but, this happened to me also in July...
I had to have it towed... a jump wouldn't work (battery was fine).
It was the...
ECM: Electronic Control Module
ECU: Electronic Control Unit
From repairpal.com: The vehicle's engine control unit (ECU) is a computer that receives information from sensors in the engine. The computer processes this information and makes calculations to control ignition timing, fuel-delivery parameters, engine idle speed, and pollution emitted from the vehicle. The control unit interacts and makes mutual decisions with systems throughout the vehicle. On newer vehicles, the ECU may also control the engine cooling fans, cruise control, and AC Compressor.
They told me they hooked it up to another one to confirm that's what it was. I think they said the fuel pump was working, but the signals weren't getting through (?). I'm guessing they only had to connect one of those diagnostic OBD things to it.
Anyway, they showed it to me, it was a small motherboard about 4x6 inches in a small black holder. He said the part alone cost about $400, but I've not been able to confirm this on the web to see how badly I got ripped off. When your car is sitting dead as a bug in someone's repair shop, and you are helpless as to how to fix it, unless you can afford to have it towed to multiple places, well, you gotta go with what they tell ya. Every place I check on the web for this make/model of ECM says "call for price".
Perhaps I got ripped off for $400 for the part, but I wouldn't know how to put it in regardless.
Anyway, that's why the car was dead as a doornail despite the battery and other things being fine. No information was getting through because the control module was dead.
I'm not saying this is/was your problem, but it may have been.
Posted on Aug 30, 2009
it's in the fuel tank! need to get it u in the air about 4 or more feet of the ground. you may get away with it being less and there is two straps holding the tank it they are attached to the body with 15mm bolts. you will need to disconnect the filler neck where you put gas by taking the hose clamps off and then disconnect fuel lines and electrical after you have it half way down straps removed! ask any more question you have
Posted on Sep 18, 2009
Sounds like you might have an oxygen sensor problem. Your catalytic converter(s) maybe defective or dirty. That in turn can dirty up the oxygen sensor. A defective oxygen sensor will send faulty info to the computer, interpreting the fumes as cold (even when the engine warms up). That causes the computer to adjust the fuel mixture to very rich, giving you poor gas mileage and the fuel smell. Hope it helps.
Posted on Mar 16, 2010
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