Question about Cars & Trucks
Change the spark plug as it may be shorting out internally and not sparking across the electrodes. If there is a block of carbon across the gap the same thing
Posted on Nov 28, 2013
Swap the coils around. See if the no spark follows that coil, or stays at number 1. Could be a bad plug wire, too. Or the wiring to the coil for number 1.
Posted on Nov 28, 2013
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Posted on Jan 02, 2017
SOURCE: not getting spark
Testing the coil packs.
1. Get an INSULATED wire and hook it to a ground on the car.
2. Get some one to help you
3. pull a spark plug wire off the coil
4. hold grounded wire close to, but not touching, the part where the spark plug wire connects
5. keep hands away from coil and have your helper turn the engine over ( start car and turn off)
6. if there was a spark between the wire and the coil pack it is good. if not, the coil pack needs replaced
7. replace the spark plug wire
8. test the rest
Posted on Jul 03, 2009
SOURCE: 1-4 misfire
I'd say you need to replace the 1-4 coil pack. Any changes to the working of the pack have to be tested after the primary source with much more elaborate equipment. The coil pack is easy to replace and will save time and money for testing. Thanks, Dana
Posted on Oct 04, 2009
A misfire doesn't always have to be ignition... it's just the most common cause. Faulty or plugged injector, low compression. You need to check fuel pressure and test the fuel injector flow. Then check compression. If you don't have tools for these tests, take it to someone who does. Testing is much cheaper than throwing parts at the problem.
Posted on Feb 25, 2010
did you replace only one spark plug? that can cause issues because of differences in resistances between cylinders. also, did the map code stay off after replacing
Posted on Feb 28, 2010
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