Question about 1999 GMC Yukon

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Not getting spar to wires

Not getting spark to wires

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Check ignition fuse.if okay.remove one of coils connectors using a test light .turn ignition key to on position .terminal 1 on the connector to coil is the first to left with the locking tab up. then remove the ignition module connector terminal 4 is 12 volt supply.4 terminal to the right with lock tab up.connect test light to ground.take the pointed end touch both the terminals for 12 volts with ignition on position.if getting 12 volts.you have PCM PROBLEMS OR CRANK POSITION SENSOR..IF GETTING NO 12 VOLTS YOU GOT A BLOWN FUSE OR GROUNDING PROBLEMS.

Posted on May 25, 2009

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Posted on Jan 02, 2017

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1 Answer

I have a 91 chevy corsica no spark on crank replaced coils wires and plugs still no spark brian


run the fault codes and check for cam/crank sensors. check operation of immobiliser. check fob key battery
check for ING fuse or fusible link near battery

Feb 14, 2015 | 1991 Chevrolet Corsica

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How do I replace spar plugs and wires for a 2002 subaru outback 4cyl. sedan


You will need a spark plug spanner.....might be better off getting a garage to do this and change the oil and filters as well!

Nov 08, 2014 | 2002 Subaru Outback

1 Answer

Spar plus explore 92


do you mean spark plugs? if so and youre trying to find new ones, go to an auto store and ask for spark plugs and tell them the make model and year of your car. if youre trying to replace them yourself, follow the wires to the side of the engine, unplug them from the plug, and use a socket wrench (usually 5/8 inch) to unscrew them, then get the new plugs, and tighten them carefully as they are not hard at all to break.

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check spark plug wire then check coil pack

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Geo metro no gas to TB , no spark from coil


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Jul 26, 2012 | 1997 Geo Metro

1 Answer

My 90 acclaim turns over but wont start. i put new battery in it, and new spark plugs and wires, plus it has a new starter


First you need to know if there is spark, the simple way to do it is to pull a sparkplug wire, insert a phillips screwdriver into the boot, hold it about 1/8 of an inch from a metal part on the engine and have somebody crank the engine for a few seconds, if there is spark should be of a electric blue tone, if not your coil, or the igniter are bad, if spar is present that will tell you if your problem is somewhere else like fuel delivery or electronic fault,

Jun 16, 2010 | 1990 Plymouth Acclaim

2 Answers

Spar from coil but no spark to plugs


probable plug boots leaking voltage to ground.replace plug boots

Jan 02, 2010 | 2002 Ford F250 Super Duty SuperCab

2 Answers

I have no spark at plugs coil has good spark


If you have spark at the coil then you have a good coil. You can't measure Ohm at a spark plug since it is alway open at the gap. But you can OHM measure a spark plug wire at both end. If you have nothing mean your wire is bad. You can swap one more wire to confirm a bad wire. If your wire is not bad then I recommend to replace both rotor and distributor cap. Good luck in locating the problem.

Dec 28, 2009 | 1983 Honda Accord

2 Answers

Consume too much gas after replacing spar plugs, wires, cap


timing will need to be readjusted!
Then the air fuel mixture!
Cheers Rob

Aug 16, 2009 | 1994 Mazda MPV

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