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Chevy s10 4cyl new plugs and wires sparknock cylinder 1 wire is off no change

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Could be more than you want to hear. It could be a bad valve. Take a compresition test to see if it is ok. If not then you have a bad valve. But if it is ok then you could have a bad cap or rottor button. You will need to replace them both if you do.

Posted on Dec 02, 2012


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Posted on Jan 02, 2017

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SOURCE: 1998 Cavalier No Spark in cylinders 1 & 4

ignition mod. grounds,pcm or timing belt could all be it but, I would have to look at timing first.

Posted on Jan 17, 2009

  • 1055 Answers

SOURCE: 1999 chevy suburban misfire

could be one of several things
1) run a compression check, if it low on that cyl then you have a blown head gasket or burnt valve
2) could be the enjector

Posted on Feb 27, 2009

  • 79 Answers

SOURCE: 1998 Maxima misfire code cylinder #1

your not getting any fuel into the cylinder

Posted on Mar 22, 2009

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SOURCE: 96 accord cylinder 1 misfire

You probably have a vacuum leak at that intake runner. If there is nothing obvious like a vacuum fitting on that runner with a cracked hose, then try spraying around that runner's gasket mating surface with some aerosol carb cleaner, if you hear the revs change you have a bad gasket. Failing this, possibly low compression on this hole?

Posted on Mar 08, 2010

  • 12 Answers

SOURCE: just got 2002 chevy cavalier ls check engine light


Posted on Mar 29, 2010

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Have a 2002 Chevy Silverado 5.3 4wd. having engin hesitation problems.... service engine light came on...... Changed plugs (Autolite .040 gap) and wires. Problem continued, got worse Had auto parts...

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1 Answer

Change plugs and wire and engine will not acclerate. This is a built 350 short block chevy with pro charger.

350 Chevy engine in what? 1990 Corvette? Who built it, did you?

Sounds as though you have plug wires wrong.
Firing order is 1-8-4-3-6-5-7-2

Distributor Ignition System:
Distributor rotates Clockwise. (Rotor)
Find Number 1 tower on distributor cap, go Clockwise with Firing Order.

Distributorless Ignition System:
VIEWING the engine from the Front of the car.

Spark plug wire connections along the back, starting from Left side going to Right side;

Spark plug wire connection towards the Front of the engine;

(To guess I would say you have 5 and 7 wires switched)

Left side cylinder order is 1-3-5-7, going from front to back.
Drivers side is Left side.
Right side cylinder order is 2-4-6-8, going from front to back.

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1 Answer

1998 Cavalier No Spark in cylinders 1 & 4

ignition mod. grounds,pcm or timing belt could all be it but, I would have to look at timing first.

Jan 13, 2009 | 1998 Chevrolet Cavalier

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