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Heater won't ignite when heater is turn on.

If i take spark plug wire off you can ignite pliot by hand. put spark plug wire back on just keep sparking,seem like pliot gas not on while spark plug is on. larry ps heater has a honeywell s86f intermittent pliot on this.

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The Honeywell s86f intermittent pilot control module relies heavily on a proper ground in order operate correctly, Check to make sure the ground wire connected to the right side of the module has a slid connection on both ends. This may require removing and replacing the wire. Also check the connections on both ends of the ignitor cable.

Posted on Feb 06, 2010

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See if the spark will arc across the area where the pilot flame is. It should cross the flame. Adjust the spark if possible.

Posted on Nov 12, 2008

  • jim_kunkel Dec 09, 2010

    pilot light is on but burner will not light. wiring schematic for honeywell VR8200A gas valve would help

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1 Answer

I have changed fuel pump, filter, seems to be getting gas, turns over but wont start


With the ignition key off, remove one of the spark plug wires and insert a phillips head screwdriver into the wire cap. Place the metal part of the screwdriver near, but not touching, a metal part of the engine that is grounded (DO NOT touch the metal on the screwdriver with your hand!), then have someone crank the engine while you look for a spark between ground and the screwdriver. If no spark then suspect an ignition problem.

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It is normal for them to show gas-continued cranking of the engine keeps putting more gas in the cylinders.
Oil is getting in there from worn engine parts-piston rings or worn valve guides or valve stem seals. If enough oil gets on the plug, it will inhibit sparking- known as "oil fouling". Oil fouled plugs can be cleaned and reused. The near-prohibitive cost of repairing the worn engine parts with an engine rebuild may make you want to remove the plugs and clean them as often as necessary to keep them from misfiring. However, if it is just worn valve stem seals on those two cylinders, a shop could replace the seals without having to take the cylinder head off. The cost for that job would be some less. You might want an estimate on that. The seals are a rubber composite and quite cheap. A little tricky, but it can be done without pulling the head off.
Now that you have cleaned those two plugs and put them all back in, the gas will have evaporated. So if it does not want to start, you need to check for spark to verify the ignition system is working. The easiest way and to avoid a shock is to buy a cheap spark tester, pull off a plug wire from a plug and hook to tester. The tester is then clipped to a metal bracket or bolt as a ground. Then have someone crank the engine over, while you watch the tester for a spark-a strong blue spark, not yellow or orange, will verify ignition system is good. If no spark exists, test all cylinders. One or two with no spark could be a bad coil on the coil pack. But if no spark on any, the ignition system will have to be diagnosed. Good luck./

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1 Answer

Husqvarna model 125b Hand held blower (Gas) No


If you have tried a new spark plug and you still have no spark, then your Ignition Coil, (Module) has gone bad. They aren't cheap if you buy it new. Try to find a used one if you can for around $10.

Good Luck!

Jim

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I have a 88 cr 250 i bout it was running i drove it twice around the feild and now it wont start put a new spark plug in and still nothing it seems as if there is no spark


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1 Answer

My Chrysler Town and Country won't start. Battery is fine. Neighbor said it seems like there is no gas getting to the engine. But it smells like gas when i try to start it.


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1 Answer

Will turn over but won't start


Check for fuel and spark..
BE CAREFUL DOING THIS.....take a spark plug out and hook it back up to the wire, hold onto the rubber part of the plug wire ( you might feel a little jolt if you're hanging onto the plug itself). and push the starter button...if your ignition system is working you will see a spark!....***NOW VERY IMPORTANT!!!!!! KEEP THE SPARK PLUG AWAY FROM THE SPARK PLUG HOLE!!!>>>>>if both your fuel system and ignition system are working.....atomized gas will be pushed out your spark plug hole, and if your Plug wich is arking is near this>>>>>you will send your baby up in flames.....
this isn't complicated or dangerous, I'm just stating an obvious hazard....gas and spark = fire.......so put a rag over the plug hole or something.... and good luck

Hope it helps...Cafemoto

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1 Answer

The blower stalled after running for 15min.it is getting gas,i cleaned the carb+ replaced the gas filter.the air cleaner is clean and i replaced the spark plug.i seem to be getting a very weak spark.any...


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1 Answer

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