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Have master heater 200000 btu that has spark an fuel but will not fire can someone help me

I have change the ,electric eye ,nosel,coil, fuel valve,i have spark,fuel no fire

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If this is a fuel oil burner in a residential style forced air furnace, you probably have the electrode adjustment wrong. The generic measurements for the electrodes for an 80 degree hollow fuel flow atomized mist spray is 9/16" above the center of the nozzle, 1/8" gap, with a leading dimension of 1/8". Because the atomized mist leaves the nozzle at an 80 degree angle, electrodes protruding too far out will be drowned out by the fuel and not ignite. Electrodes not extending out far enough may cause a serious delayed ignition that will rock the structure, or not light at all because if the cad cell doesn't react to the UV rays of a flame, it locks out the ignition control.

When in doubt, its always back to basics first. If this is a torpedo style heater, it may or may not utilize the two electrodes for ignition as noted above and may just use a spark plug style ignition device, in which case the above dimensions are rendered useless.

Posted on Dec 06, 2014

Testimonial: "it has a new coil , new spark plug ,new eye , fuel valve, when i have the cover off it has fuel and spark it looks like its ready to firer just doesn!t u can see it trying but wont if you want you can call me at 8604858535 my name is brian"

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I have a 200000 btu master torpedo heat that has a new , coil,spark plug,eye,fuel valve, the unit has spark fuel but doesn`t fire it looks like it wants to but will not can anybody help me


All torpedo heaters have a mind of their own and will work perfectly for any number of cycles then become contrary as can be. It's usually a slight adjustment of pressure or a tweak of the angle of the cad cell....something simply overlooked. Sometimes just a slight movement of the fan blade forward or backward on the shaft is enough to make it light off. There are some specific tools reuired to get ACCURATE pressure adjustments. I'd suggest downloading a unit specific manual and read it thoroughly.

Dec 10, 2014 | Heating & Cooling

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Well i got all my spark plig wires on the distrubutor cap in the right firing order but it will turn over but not start


First you have to determine weather you have a FUEL problem or (ELECTRICAL)Spark problem ??

Pull the coil wire off or a easy to get to spark plug wire, Lay it close to were you pulled it off of (Do not hold or touch you may get SHOCKED) and crank motor (need two people) look and listen for a spark, if you see or here a spark, then go to next step which will be to check for Fuel (gas). Be very careful when checking fuel, as most lines are under pressure and may cause bodily harm such as BURNS to EYES and SKIN!! Loosen or pull the inlet fuel line off and put rag over line. Some fuel injected vehicles have a fuel rail the has a valve that looks like a tire valve. Put a rag over this valve and push it in with a small screw driver and have someone crank motor a couple of times to see if fuel is coming out.

If NO Spark---Could be a lot of things Points (older vehicles) Modules, Coils, Crank Sensors, ECT......

If NO Fuel---- Could be Clogged fuel filter, Fuel Pump, Fuel pump Relay, Fuse, ECT..........

Hope this helps you ??

Sep 08, 2011 | 1995 Toyota 4Runner

1 Answer

Truck turns over just wont fire


First you have to determine weather you have a FUEL problem or (ELECTRICAL)Spark problem ??

Pull the coil wire off or a easy to get to spark plug wire, Lay it close to were you pulled it off of (Do not hold or touch you may get SHOCKED) and crank motor (need two people) look and listen for a spark, if you see or here a spark, then go to next step which will be to check for Fuel (gas). Be very careful when checking fuel, as most lines are under pressure and may cause bodily harm such as BURNS to EYES and SKIN!! Loosen or pull the inlet fuel line off and put rag over line. Some fuel injected vehicles have a fuel rail the has a valve that looks like a tire valve. Put a rag over this valve and push it in with a small screw driver and have someone crank motor a couple of times to see if fuel is coming out.

If NO Spark---Could be a lot of things Points (older vehicles) Modules, Coils, Crank Sensors, ECT......

If NO Fuel---- Could be Clogged fuel filter, Fuel Pump, Fuel pump Relay, Fuse, ECT..........

Hope this helps you ??


Jul 14, 2011 | 1998 Chevrolet K1500

1 Answer

Engine will not fire


First you have to determine weather you have a FUEL problem or (ELECTRICAL)Spark problem ??

Pull the coil wire off or a easy to get to spark plug wire, Lay it close to were you pulled it off of (Do not hold or touch you may get SHOCKED) and crank motor (need two people) look and listen for a spark, if you see or here a spark, then go to next step which will be to check for Fuel (gas). Be very careful when checking fuel, as most lines are under pressure and may cause bodily harm such as BURNS to EYES and SKIN!! Loosen or pull the inlet fuel line off and put rag over line. Some fuel injected vehicles have a fuel rail the has a valve that looks like a tire valve. Put a rag over this valve and push it in with a small screw driver and have someone crank motor a couple of times to see if fuel is coming out.

If NO Spark---Could be a lot of things Points (older vehicles) Modules, Coils, Crank Sensors, ECT......

If NO Fuel---- Could be Clogged fuel filter, Fuel Pump, Fuel pump Relay, Fuse, ECT..........

Hope this helps you ??


Jul 06, 2011 | Buick Century Cars & Trucks

1 Answer

My car a 1998 passat vw, dont start. the motor turns but thats it. i got pushed and still no change


First you have to determine weather you have a FUEL problem or (ELECTRICAL)Spark problem ??

Pull the coil wire off or a easy to get to spark plug wire, Lay it close to were you pulled it off of (Do not hold or touch you may get SHOCKED) and crank motor (need two people) look and listen for a spark, if you see or here a spark, then go to next step which will be to check for Fuel (gas). Be very careful when checking fuel, as most lines are under pressure and may cause bodily harm such as BURNS to EYES and SKIN!! Loosen or pull the inlet fuel line off and put rag over line. Some fuel injected vehicles have a fuel rail the has a valve that looks like a tire valve. Put a rag over this valve and push it in with a small screw driver and have someone crank motor a couple of times to see if fuel is coming out.

If NO Spark---Could be a lot of things Points (older vehicles) Modules, Coils, Crank Sensors, ECT......

If NO Fuel---- Could be Clogged fuel filter, Fuel Pump, Fuel pump Relay, Fuse, ECT..........

Hope this helps you ??

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I left Diesel in my heater all year long i ran it this winter and it stopped how do i fix it


Leaving fuel in heater shouldn't create problems. Check reset, if so equipped to see if there is power, Check ignitor to see if it is firing. Check fuel filter and nozzle screen to see if they are plugged. If you have good fuel spray, good spark at ignitor,and the electric eye can see flame, it should run. If there isn't any spark at the ignitor, the high voltage trandformer could have failed.

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Will not fire with cover attached


Bend brackit on photo eye so that it gets a better view of the flame. When cover is on the flame will move farther to the end of the heater. You can test this by holding the eye in your hand and pointing it at the flame. I had the same problem. Hope this helps.

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If...the air pump pressure is right, the ignitor glows, the fuel is hitting the ignitor, then the unit will have combustion......unless.....
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  3. there is a leak at the nozzle adapter
  4. there is a restriction either in the nozzle or the fuel filter
  5. the nozzle is worn and is spraying fuel rather than fogging fuel

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