1991 Mercedes-Benz 300 Diesel Logo
Posted on Jul 24, 2009
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Not pumping fuel,fuel gauge not reading gas level ,engine turn, everything else work if I spray starting fluid car will start for a few second.

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  • Posted on Jul 24, 2009
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Your fuel pump has quit working & for the problem with the fuel level your float is stuck or not working at all in your gas tank. Hope this helps

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Pump not working, or blown fuse check for blown fuses under the dash and under the hood and look for fuel pump it also has a fuel pump relay either of the two are not working

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Mitsubishi triton mh 92 turns over but will not start

Well it’s either fuel or electrical. First off it does have gas in it hopefully. Even tho the gauge may say it does sometimes the gauges quit working right so let’s make sure u have gas first. Next if u do have gas, pop open your air filter compartment and have someone turn the car over and spray some starting fluid down the airfilter tube. If it starts for a second then your not getting gas. If that’s the case, I’d check the fuel pump relay first. It’s in the fuse box under hood usually. There’s usually another delay in the fuse box that’s the same so just swap places with one and try to start it. If it starts u need a new fuel pump relay. If it doesn’t then I’d have to check to make sure the fuel filter isn’t clogged up. If it’s not, then it’s probably gonna be your fuel pump. If the starting fluid doesn’t nothing then it’s gonna be electrical, in which it could be numerous things. If the service engine light is on, read the code and see what code it’s throwing. I’d look at the crank shaft position sensor or camshaft position sensor probably first assuming your computer (ecm) is good.
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My 1993 geo prizm car cranks very well but if i try to start it, it will not start, it seems that there is no gas getting to the engine

A couple of ways to check if you don't have access to a fuel pressure gauge. You should hear a brief hum or buzz from the gas tank area just by turning the key to on, not start. The fuel pump is supposed to turn on for 2 seconds to put pressure in the fuel line and at the injectors. If you hear nothing, the fuel pump may have failed, but check the fuel pump fuse to know it is not blown . To check further, spray a shot of starting fluid into the air intake housing-take off the big air boot from the air filter housing to the engine, and spray inside there into the engine. Now try to start the car. If the engine coughs to life and tries to run for a few seconds, then you know it wasn't getting gas, and that usually is a bad fuel pump or a totally clogged fuel filter. To check the filter, take it off and blow into the outlet side first and see if what comes out looks clean. Then blow from the inlet side and make sure the filter passes air, that it isn't blocked. If the filter was clean, it must be the pump. It is supposed to turn on briefly with key turned to on, and then it runs constantly when the engine is cranking or running. So it has had a good long life since 1993. The definitive test of a bad pump would be to find live power at the fuel pump wire at the gas tank connector while the engine was cranking over. If power there, but no pump working, definitely time for a new pump.
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I have a half a tank of gas in my car but for sum reason it wont start it cranks like it want to start but it dont after doing it for so long the battery drains out but all my lights and horn still works...

Make sure you are getting fuel to the engine. Your fuel pump (usually in the gas tank) may be bad. If it is getting fuel, then likely it has an ignition problem (no spark).
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Will not start

Gas, air, compression, and spark is all the cylinders need for the engine to run. No start is usually gas or spark related. Here's the fuel check on fuel injected cars. Turning the key to on will start the pump for 2 or 3 seconds to pressurize the system. When the engine is cranking over the computer turns on the fuel pump relay again, so the pump will be on. And stays on after engine is running to keep high pressure against the fuel injectors. The computer times the injector pulse to spray gas into the intake or into the cylinder at the right time.
So if you have a no start, to check for gas, listen for the pump- a distinctive hum or buzz from the tank, check the fuel pump fuse, see if you can feel or hear the fuel pump relay click when someone turns the key to on. (Did you remember to check if the tank has gas?). Finally, you would have to check for power on the fuel pump wire at the tank connector, while someone holds the key in start. If you have power there, it's likely you need a new fuel pump. If the pump is working, well and good, but keep in the back of your mind that a weak pump that puts out low pressure can cause hard starting problems and poor running. At any rate, if you have gas up to the fuel rail, the only other thing between there and the cylinders is the injectors. Are they working? A quick check would be to remove a spark plug or two after cranking the engine over a few seconds. If they are wet with gas, the injectors are injecting. Hope I've helped you out some. I know some people who say to spray some starting fluid into the air intake to check if you have a gas problem with starting- I've done it myself. But I've learned it's better to use carburetor cleaner spray instead, it burns cleaner and something about the potentially harmful effects of starting fluid, well. good luck.
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Motor turns over but will not start

first thing is to check for fuel preasure,on top rear on engine theres a shrader valve for testing the fuelpreasure you just need a gauge. 9-13 psi is what it should be,next is to check for spark at the plugs, if theres no spark then have the control module tested.
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93 gmc sierra 5.7 liter engine, injection carb, will turn over won't start, replaced fuel pump fuse, replaced fuel pump relay, replaced fuel pump inside gas tank, no gas flow to carb , gas gauge has always...

you say you replaced the fuse, but does the fuse have power? the gray wire at pump should have power when cranking, or for 2 seconds when turning key on. At fuel pump relay, put power onto gray wire, the pump should run if the wiring is good. if it doenst run then ck for power at fuse while power is on gray wire.
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Car cranks but does not start

Fuel relay or fuel pump!!!
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2001 Jeep Cherokee - Cranks won't start - Gas gauge "E" w/gas

Disconnect and replace fuel filter.With filter disconnected have someone momentarily turn key to on position to see is fuel pump is working.Make sure you have lots of rags,a drain pan and safety goggles on
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99 gmc jimmy, been running okay till a few days ago. Drove it to eat, came back out and it won't start. Battery okay. Tries to turn over, but won't. Acts like out of gas, but half a tank.

Listen for the fuel pump prime cycle.
Have someone listen back by the gas tank....turn the key after it has been off for at least 10 seconds to run position....you should hear a WHIRRRR for about a second or 2.
If it is silent....you may need a fuel pump.
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