Question about 1987 Ford Mustang

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Vehicle cranks but will not start no fire

Vehicle cranks but will not start no spark to the distruber

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Common Fox Mustang issue related to this condition would be a faulty coil,ignition connection under steering wheel melted,faulty or the TFI Module on the Dizzy. I would start with the TFI 9 times out of 10 this is the culprit. Be sure to replce it with a motorcraft as Ive had bad experinces with aftermarket TFI modules right out of the box. I've attached a photo of the TFI module below. Good Luck Ryan MN
vehicle cranks but will not start no fire - vehicle-cranks-but-will-not-start-no-vxb10dyvyx02p5zpbdgq5v5x-3-0.png

Posted on Aug 21, 2016

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Posted on Jan 02, 2017

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How do I get engine to fire ?


What type of vehicle is it. Theres only a few things that a car uses to fire while cranking. On older vehicles before fuel injections came out you have a coil and a distributor those two provide spark to start a car. On the new vehicle you will have a knocksensor located most of the time close to the crank pulley then your computerbox then your coilpack.

Apr 11, 2016 | Cars & Trucks

1 Answer

I had a coil pack that I just change less than seven days prior burn up then I change out but not it will crank but not start im stumped it is a Mitsubishi endeavor 2004 6cyl.


Hello,

Assuming your spark plug firing order is correct after the coil pack replacement and your plugs and plug wires are clean and connected properly--and you have gas in the vehicle--I am thinking Throttle Position Sensor (TPS).
To test the TPS you hold the throttle pedal to the floor and start the vehicle, if the vehicle starts you need to clean or replace the TPS.

If the vehicle will still not start and everything was replaced on the vehicle as the parts came off of the vehicle--and the vehicle ran before think:
Compression: Washed cylinders (pull plugs and squirt clean oil in spark plug holes (one-two squirts).
Fuel: pull hose after fuel filter and crank vehicle
Spark: Pull plug wire and arc with screw driver when cranking engine. New coil pack could be faulty.

You may need someone to crank the vehicle (mind your hands) while you test. You should be able to find videos for spark testing.

I hope this helps.

Feb 09, 2016 | Mitsubishi Cars & Trucks

1 Answer

Im getting a crank/ no start situation on my 93 chevy astro ext 4.3Ltr v6 and ive never let a vehicle beat me b4 but this one is giving me a sound whoopin - pls help


Easiest way to trouble shoot a crank no start is to spray starting fluid into the air cleaner intake before you crank it. If it fires then dies it is a fuel problem. If it doesn't fire it is a spark problem. If it fires then dies, check the fuel pressure at the engine end of the fuel line. Pressure below spec prevents the injectors from working properly. See shop manual for the proper procedure.
If it doesn't fire put a spark tester at one of the plug wires set to the proper gap to measure the spark voltage being developed by the coil etc. Good luck.

Sep 22, 2015 | Cars & Trucks

1 Answer

What is the easiest way to start my van when it cranks but it is not firing.


What is year--make--model? If it cranks good but won't start, have a helper crank it, while you visually check for spark at the spark plugs. If spark everywhere, use a gage and check fuel pressure. How long since a tune-up?

If vehicle is computer controlled, check for applicable trouble codes.

Apr 29, 2015 | Cars & Trucks

2 Answers

96 tahoe . It will not crank up unless I pour gas into the throttle body . Once it cranks it will run untill I shut it off but want crank by itself . Why


First, lets be clear with terms. To crank is to turn the engine over, you can do this manually with a wrench on many vehicles. It requires no spark or air. To turn over or to fire is when you achieve combustion. Example: You could pull the spark plugs on a vehicle and turn the key and it would crank, but it wouldn't fire or turn over.

Now it sounds to me like your vehicle is cranking but not firing unless you pour gas in it. My first thoughts are fuel system. I'm assuming it can't be fuel pump because it runs once it fires. Perhaps the fuel pump isn't priming itself, or perhaps somehow air is getting in the line between the injector and fuel pump? Test the fuel pump first by turning the car from off to on (not starting, just on). You will usually hear a short buzzing noise coming from the engine bay that stops shortly afterwards, that's your fuel pump pressurizing the line. (Pro Tip: If you ever try to take your key from off to straight to start and the vehicle doesn't start on the first try, but does the second time no problem, try delaying at on for a moment before trying to start. This gives your fuel pump time to pressurize the line.) Assuming your fuel pump is charging the line, the next place to look would be at the path the fuel takes to the throttle body. When you crank it over and it doesn't start, are you getting any fuel? If you can't see where the fuel enters the system try smelling the exhaust while cranking without it firing, if it smells of fuel you're good and need to look at air flow and spark, if not it's a fuel issue.

Past that, I'll leave it to someone more experienced than myself, but that would be how I troubleshot my own vehicle.

Oct 17, 2013 | Cars & Trucks

1 Answer

TOYOTA CELICA TURNS ON BUT DOES NOT START??


(THERE,S NUMBEROUS WAYS WHY IT WILL NOT CRANK ) NO1 CHECK TO SEE IF IT,S GETTING GAS , THERE,S A PRESSURE RELEASE VALVE LOOKS LIKE A TIRE STEAM WITH A BLACK CAP ON IT PRESS IT IN WITH PHILLIP SCREW DRIVER AND IF THE GAS SHOOT OUT IT,S GETTING GAS ) NO.2 TAKE A OLD SPARK PLUG ,DISCONNECT ONE OF YOUR SPARK WIRES AND CONNECT TO THE LOOSE SPARK AND TURN THE CAR OVER TO SEE IF IT,S GETTING FIRE ,AND IF IT,S NOT GETTING FIRE TO THE PLUGS IT,S YOUR CRANK POSTION SENSOR ,AND IF IT,S GETTING FIRE TO THE PLUGS . TAKE A TEST LIGHT WITH THE SWITCH TURN TO ON AND IF IT LIGHTS UP THAT MEAN THE CRANK POSTION SENOR IS WORKING ,BUT IF YOU ARE GETTING FIRE FROM ALL OVER THERE,S ONE THING TO CHECK AND THATS YOUR DISTRUBATOR ,STICK THE TEST LIGHT IN WHERE ONE OF THE SPARK WIRES ARE AT AND IF IT LIGHT,S UP THE DISTRUBATOR IS BAD ,AND JUST REPLACE IT ,OR CHECK FOR YOUR FUSE RELAY TO YOUR FUEL PUMP AND THAT SHOULD DO IT

Mar 29, 2011 | Toyota Celica Cars & Trucks

1 Answer

Will not start


Most likely it is the ignition module or the crank pickup.

Sep 08, 2008 | 1992 Chevrolet K1500

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