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Won't start
1993 Chevy Lumina Euro-3.1 Mulit-port fuel Injection What it did the day it died:
Left for school, got down the road, it missed out a little, let foot off the gas, it ran fine the rest of the way to school, about 6 miles. Shut it off went into school. Came out at 2:45pm to leave, car would not start at all. Sounds like a wet distributor.
I own a Chevy Lumina APV 3.1, was leaving for an interview. Suddenly my gas peddle was useless. checked for fuel in tank, made sure spark was there an timing was firing, listened for fuel pump, & replaced fuel filter; Battery good too. Inspected the Carb/ fuel injection, cleaned it up and began to manually feed fuel directly....The Engine Ran as long as I did so, after this I noticed one of my fuel injectors was hardly spitting gas. So to ALL Lumina owners take a look at the injectors, I've yet to purchase the part (Flat Broke) but this is definitely my problem and could be yours.
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three thing make an engine run---air---fuel---spark any one of these are missing---engine will not run---if you have a timing belt, it may have give up the ghost but you need to check these things out to determine the issue---no magic wand here just facts---GL
check for injection pulses at the injectors.
Each injector has two wires, one is a supply (12Volt) and the other is grounded by the engine management unit. The switching is very fast so you would not detect it with a test light. Try a multimeter set to frequency. If you check the supply to the injectors, disconnect ALL of them at once. You should have power to only one wire at each injector plug. If no power is present, check the fuel system relays and fuses.
Is yourd check engine light on? If it is, I would have the codes read first thing. If not, it could be clogged fuel filter or air filter, loose vacuum hose, or bad throttle position sensor or other sensor but the sensors or any electrical problem will set off check engine light.
if you can check for spark when it wont start and fuel pressure and the service port , would be great information , otherwise pattern failure is ignition module and crank sensor (replace them as a set) , after cools off it will run again.
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