Chevy Lumina

1995 Chevy lumina apv van with 3.1 liter engine your engine wont stay running you have to play with throttle to keep it running you have changed fuel pump fuel filter coolant temp sensor fuel injector?

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2008-05-04 19:11:27
2008-05-04 19:11:27

change the thorttle responce

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could be bad injector,dirty throttle body,plugged converter or even a need for a tune up


i changed plugs wires throttle p sensor an checked fuel


Under the throttle body. Facing front of the van follow the radiator hose on the right side of the radiator to the engine. Where that stops is your water neck inside is the thermostat. Most of the 3400's and 3100's have coolant lines running into everything. There is 2 small coolant lines running into the throttle body. They will be kind of a pain to get off.


this is most likely a bad injector. Try a tank of premium gas and Lucas injector cleaner. If it still misses, you probably need to change an injector.


It's located right underneath the Throttle Body on the 3.1L motor. It's a little thing with wires running out from underneath it.



AnswerIs the injector actually jetting fuel into the throttle body? Ifnot the injector could be fouled. Make sure you have spark from the plugs. If not check the coil\distributor. if that doesnt work, make sure the vehicle is not backfiring because that is caused by a bad timing.. check your injector a+b fuse, and check the wiring running to the injectors...


If it hasn't been changed, it has Throttle Body Injection (TBI). It looks similar to a carb but it will have wires running to it.


Doesn't a 94 Buick have Throttle Body Injection? Try running injector cleaner through the fuel system first. As always, follow the manufacturers recomendations.


the injector might be the wrong size meaning it might be injecting too much fuel check with the dealership



This engine will have seven injectors. 6 are the running injectors and there is a "Cold Start" injector.


Throttle position sensor is located on the side of the throttle body-in line with the throttle shaft. To locate the throttle body, you can have someone repeatedly push the accellerator pedal (with the engine not running) while you look for the moving throttle shaft. Drew


yes, should never add coolant to cold engine


Any bad component can stop a car from running. Throttle body? probably not.


Under the dash left of steering column. If you take out the left speaker by the door you will find the bolts to remove the bracket. The capacitors in the 1990-1995 are junk but easy to repair. Never try to hot-wire the throttle-body injector to get it running as this will blow out the two transistors in the injector circuit as well or the injector. I have an easy inexpensive fix for no start no fuel problem with these. On_mitch Hi, I'm interested in the "fix" 1badbaby


to tell what injector is bad when engine is running slowly open the injector line to each injector if the engine stutters then the injector is good if it has no difference then it most likely is bad i had a injector that stayed open completely and you could hear a popping noise because it was pushing air back into the system!! good luck!


when the engine is running and coolant will become hot to its operating temperature,the cooling system is under pressure,coolant will overflow and goes to coolant reservoir.when the engine goes cold coolant will go back to the rediator.


The heat is not working because you are very low on coolant, probably because of the leak. Seems to me that it should leak worse when it is running, so I am going to assume you are talking about the coolant overflowing the reservoir, in which case goes back to you being low on coolant and the engine boiling the coolant.


Put a used one on from a running one


The throttle position sensor determines the amount of throttle used when the engine is running at various speeds. If the sensor is faulty, it can be replaced by ordering a new part.


The coolant capacity for a 2002 Buick Century isÊ11.3 quarts. It is important to keep coolant in your vehicle to keep it running its best.Ê


My car is is running hot and smoking... i discovered the coolant was low i added new coolant and its pouring out the bottom of my car My car is is running hot and smoking... i discovered the coolant was low i added new coolant and its pouring out the bottom of my car


I'm thinking the coolant level in the reservoir is to high to begin with. The cooling system has to work harder when the ac is running. The coolant expands as it heats up. If the coolant level was high to start with it will push out the excess.



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