Question about Ford Ranger

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92ford ranger 3.0 v6 will not start on occassion there is gas at fuel rail and a bright spark at spark plugs I can hear fuel pump turns on when ignition is on and fuel filter is not plugged up Although engine check lite comes on when truck is driven for awhile Truck has 298oooklms It has good bottom end power but very little top end especially 4th and 5th gear This problem is very annoying because you never no when its going to occur help pleese thank you William

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  • Ford Master
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You can get a free scan at Autozone or Oreillys. If the engine light is on the scan should show a problem. The computer will hold a defect in memory for a number of starts so if the light goes out it could still show a fault.

It is possibly a TPS switch going bad. It is on the airhorn and has 2 screws and 1 electric plug. This switch is called a throttle position sensor. For the power concern you may need to have the timing checked. With 300k the timing chain may have stretched.

Posted on Nov 19, 2009

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Engine stalls, after hour or so engine starts again


It may be gas or ignition related. Try to determine which, when it stalls and won't start. With key on, you should hear the fuel pump turn on for about 2 seconds to pressurize the lines and fuel rail on the engine. If you don't hear the pump, and have no pressure in the fuel rail with key on, it is probably a bad pump.
If the pump is working, check for a strong blue spark on a spark plug wire after it stalls. If no spark on any of the plug wires, suspect the crankshaft position sensor or the ignition control module. Either one can cause those symptoms- failing after it gets warm or hot.

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2006 ford escape no start


I am not trying to dodge the question, There are a lot of questions to be answered with your vehicle like, do you have a spark at the plugs. Do you hear the fuel pump run when you turn the key on. Is the gas getting to the fuel rail. It takes 3 things to make an engine run. Air, fuel and spark, eliminate one and it won't run. And did something happen to the engine while it was running. Did it just quit at Idle, or at high speed.Then you will be looking a little deeper in the engine, like the timing. Is it a 4 cylinder, a V6 or a V8. It could be in the starting system.

I need some more info.

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1 Answer

2005 GRANDAM GT CRANKS BUT WONT START


Well, there are several basics your engine needs to start: Spark, fuel, compression, and correct valve timing. I am going to assume on good faith that your GT has the 3.4 liter V6. Here are a couple basics on checking fuel and spark:
GM usually puts a schraeder valve (looks like a tire air valve) on the fuel rail. This is where you connect a fuel pressure gauge to test the fuel pressure. It should be 52-59 PSI when you turn the key to run.
If your fuel pressure is good, remove a spark plug wire from one of the front 3 spark plugs. If you have a spark tester, connect it to the removed plug wire. If you don't have a spark tester, remove the spark plug. Plug the removed spark plug or tester into the plug wire. Touch the metal threads of the plug or tester to a good solid metal part of the engine using gloves or non-conducting (plastic) pliers. Have someone try to start the engine. Watch the gap at the end of the spark plug. You should see a bright blue/white spark and hear it snap every time it fires. If you don't, there may not be any spark getting to the engine. Diagnosis of the problem can be far trickier from here on out. You will need to be able to diagnose electrical problems in the fuel/ignition system to find the root cause of no fuel/no spark.

If you cannot hear the fuel pump run in the tank when you turn the key to run, try lightly rapping the bottom of the fuel tank with a hammer turned to its side (don't put a hole in your fuel tank!) while someone cranks the engine over. If the engine starts, most likely cause is a failed fuel pump. Don't expect the car to keep starting on a regular basis if it does start by hitting the tank. The fuel pump will need to be replaced.

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1 Answer

2000 gmc jimmy stalled while accererating and will not start


Sounds like the fuel pump failed. Have someone stand by the key while you go to the gas tank and take off the cap. Put your ear to the tank filler tube and have them turn on the key. You should hear a hum for about 2 seconds and then goes quite. If you don't hear anything the fuel pump stopped working. Could be a: fuse, relay, or bad pump. If you hear the sound then go under the hood and find the fuel rail service valve. It will be on the fuel rail, it looks like the air stem that is on your tires. It should have a cap on it remove the cap and press in on the valve it should shoot out gas, If it just trickles or no gas then you could have a plugged filter.

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3 Answers

2002 ford ranger will not start. I know voltage is at the spark plug and I can hear the fuel pump prime when the ignition is turned.


First is voltage at spark plug strong enough the way to tell is by color and distance. The spark at the plug wire should jump about 1 1/4 to 1 1/2 inches and be mostly blue in color. If your get either of these condition from a check your found your problem . If the electrical check turn out ok check you fuel pressure normal pressure is usually 40 psi or greater . autozone may lend you pressure tester and may have a spark gap tester

Oct 04, 2010 | 2002 Ford Ranger Regular Cab

1 Answer

2000 v6 mustang, acted like it wanted to start but didnt, then it did but ran like it wasnt getting enough gas. Then it died, and now it wont start at all, turns over,sounds like it wants to start. Changed...


check to see if it has a goo spark first it may have a coil problem the spark needs to be bright blue not yellow and it should be able to jump a gap of at least 1.1cm / 1/3" if the spark is good check the spark plugs are they wet the car may be over fueling eg. the fuel presser reg may be flooding the engine let me no how you go and i can try to advise you from hear

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1 Answer

Engine (97 ford ranger) stopped at stop lite and would not restart. Spark to plug wires, plenty of gas, good battery. after cranking several times, will start and run 3 or 4 sec. THE RELAY TO THE FUEL PUMP...


Just for the hell of it replace the fuse with a new one relative to the fuel pump also clean and inspect all electrical plugs and connections associated with the fuel system. There may be a bad ground with out the truck in front of me it will be difficult to go any further it is possible the pump is not creating enough pressure to close the relay have you replaced the fuel filter? If possible do a fuel pressure check at the fuel rail it should be 30 - 40 psi if not replace the pump.

Oct 05, 2009 | 1997 Ford Ranger SuperCab

1 Answer

Engine wont start


Ok this could be several things you could check:

No gas: First of all, make sure it's got gas. I don't care if the gauge says you have some, they're known to fail.

Now, if it's fuel injected, have someone turn the key to the "ON" position. You should hear the fuel pump prime the system with a small whirring. You may not be able to hear this unless it's quiet outside. On most Beemers the fuel pump is under neath the car along the frame rail. Mine used to be on the driver's side.

If the fuel pump is in the tank, simply unscrew your gas cap and stick your ear up to the filler neck, have someone turn key. Hear something? That's your fuel pump. If you don't hear anything, take to a mechanic, because it'll get complicated.

OK, if you got gas, then you can check your pressure by using a fuel pressue gauge. You may have to "T" this into a fitting on the fuel rail, or it may already have a port. If so, plug it in, turn the key, and see what it reads, If nothing, or really low, then fuel pump may be bad.

No spark: Pull a plug wire, then pullout a spark plug. Put plug in wire, now hold wire WITH PLIERS against a bolt or other conductor. Have someone try to crank. Did you see a spark? Well you got spark. If not, take to a mechanic.

If you have spark and gas, then it should run, UNLESS:

Timing belt broke: Unscrew your oil cap. You should see mechanical thingies in there(camshaft, vavles, etc). Now stand back a little. Have someone turn the engine over. If the engine turns over and nothing moves on top, then that's bad. Take to a mechanic. Then go rob a bank. You'll need it.

Good luck! Leave comments!

Feb 09, 2009 | 1994 BMW 3 Series

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