Question about 1998 Ford Contour

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Aholland have to put gas inside fuel injector to start it.Why?

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To lubricate them

Posted on Jan 23, 2009


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Turns over but wont start pumps fuel into lines but not engine will start if fuel is poured into moror but only long enough to burn fuel poured in


This sounds like fuel injection, is it? Or I think you would have said if it was a carburetor. But if fuel injection, it is the pump and the fuel filter's job to put fuel under pressure in the lines and up to the engine, or really to the injectors. If you have fuel pressure in the line, then you have fuel pressure to the injectors. (If not, check the fuel filter.) And then, it is the injector circuit's job to put the fuel into the cylinders.

Just first be sure the fuel pressure is correct. For throttle body injection, that resembles a carburetor somewhat-the injectors are in the throat, the required pressure is usually around 13-20 psi. But if you have multi-port injection, the pressure requirement is much higher, usually 40 psi or more, sometimes as much as 60 psi. If it is carbureted, though, it takes very low pressure, 5-7 psi, and you would need to check if the gas is actually getting inside the carb and filling the fuel bowl inside.

But back to the injector circuit: every injector has only two wires to it: a power wire and a ground wire. The power wire is constant voltage to the injector as long as the key is in run, or on, or in start. The injector is an electrical solenoid, and it gets the power on one side, and when the ground wire is grounded internally in the engine computer, the solenoid is energized, a fuel passage opens, and the injector sprays fuel out. This is called the injector pulse, it only happens for a split second. But you see why the injector must have fuel under correct pressure to shoot the right amount of gas into the engine. You can check the injector circuit, both power side and ground side, with just a simple test light. Post back if you want that, I can give you the procedure. Good luck, and probably good night.

May 28, 2015 | Cars & Trucks

1 Answer

Ran out gas now will not start


check the fuel supply from tank to the injector if there no gas coming out fuel pump is not working...... the fuel pump inside the fuel tank

Jun 17, 2013 | Pontiac Cars & Trucks

1 Answer

Chevy truck year 1998 silverado 1500 350 engine what sensor is it that lets the gas get to the carborator i change the ignition mar under the distbor cap put a new gas filter check the fuses. i check my...


i'm pretty sure you have a Central Port Injection setup on this engine. Which means the injectors are inside of the upper plenum and cannot be seen. This type of fuel injection system uses a centrally located electric fuel injector(s) which feed fuel to a mechanical poppet style injector which is routed directly above the intake valves for each cylinder.

The poppet valves require a minimum of 56 psi of fuel pressure. If you have 55 psi it will not start. It needs the fuel pressure to overcome the mechanical resistance of the poppet injectors. Fuel pressure should at least be 60 psi. It is very important to check fuel pressure with an accurate gauge.

If fuel pressure is low it will not start no matter what you do and a new fuel pump will likley fix the problem. Get a good quality pump such as an a/c deco or Dephi. Other brands may be cheaper but they will not last.

If fuel pressure checks out good let me know and I'll give you some more info.

Jun 29, 2011 | 1999 Chevrolet Silverado 1500

1 Answer

I have a 1997 dodge grand caravan 3.8l v6 with about 146k. I stopped at a gas station and put gas in it (was at 1/2 tank) Went to start it and it started hard. Cranked for about 4 seconds before turning...


Have you ever put in the gasoline tank any fuel injector cleaner yet because your injectors which injects the fuel of gasoline, if the injectors are not injecting enough fuel into the piston chambers that the fuel injectors needs to be clean to allow enough fuel to come in so go buy injector cleaner at autozone and put the whole thing into the gasoline tank and then drive. Your fuel injectors are clogged or going serious bad on you so you might have to replace them as well but first try to put fuel injector cleaner and see.

Jun 09, 2011 | 1997 Dodge Grand Caravan

1 Answer

No stard


have you tried testing the fuel pressure regulator??

May 19, 2010 | 1997 GMC Jimmy

2 Answers

Some one played a bad joke on me they put antifrezee in my gas tank and what to do to get out


Take to a garage and you will soon find out that "bad joke" is the wrong name for this. All gas must be removed and gas tank dropped and cleaned. you can only hope that that will fix it. Fuel pump, line and injectors may also need attention.

Nov 15, 2009 | 1996 Ford Taurus

2 Answers

Im getting spark for the plugs and im getting fuel. i even put starter fluid in the intake and gas but it wont start it just turns over and nothing


A 1999 GMC Yukon has a fuel-injected engine. They are known for the fuel injector lines inside the intake plenum to break and flood the engine. If you are pouring starter fluid and gas in the intake you are only making it worse. replace the injector assembly with the "new improved" injector assembly and replace the plugs, then it will probably start.

This subject is covered by GM Technical Service Bulletin No.: 00-06-04-003B

See GM Parts List below. This replacement Injector assembly is now also available in the aftermarket.
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Nov 11, 2009 | 1999 GMC Yukon

1 Answer

Vibration from inside of car


mcdevito75 here, If the vibration smooths out when you step on the gas pedal even slightly or increases, then it is mechanically related., Causes could be, Vacumn leakes, the small narrow rubber / plastic hoses that control the emission sensors / devices, Wrong Octane fuel (gas), dirty gas filter or dirty gas itself, a worn engine mount. I would start off with the gas (fuel), at your local auto parts store, Sears, Strauss etc. I would pick up and put in the gas tank a can of dry gas or an associated product to get rid of any water in the gas (fuel) Or at least a can of fuel injector cleaner. The fuel injectors in your engine could be dirty also.

Apr 21, 2009 | 2002 Jaguar S-Type

2 Answers

Help w 1994 chevrolet truck


This injector set-up needs a specific fuel pressure supplied to the fuel rail to even start, much less run properly. The fuel pump is immersed in fuel inside the gas tank to keep it cool and not burn up. Running the fuel level low causes more heat in the pump and interuptions in proper fuel pressure. AC/Delco pumps have proven to be a reliable fix, the aftermarket pumps only last for a month or two sometimes. Check fuel pressure under the hood and power and ground to fuel pump at electrical harness at top of gas tank. This truck needs a fuel pump.

Aug 18, 2008 | 1994 Chevrolet C1500

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