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1995 vw passat miss firing when put load on it
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dusto74
User
Feb 16, 2010, 11:35 AM
Post #1 of 10
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1995 vw passat miss firing when put load on it
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i have a 95 passat missfires but firing order is right and new plugs & wires 
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Feb 16, 2010, 1:41 PM
Post #2 of 10
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Re: 1995 vw passat miss firing when put load on it
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Is it steady like same cylinder or random misfire? Ever better or worse like when cold or warm?
T
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dusto74
User
Feb 16, 2010, 4:23 PM
Post #3 of 10
(2743 views)
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Re: 1995 vw passat miss firing when put load on it
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Its a lil shake and then when you put it in gear and start to take off it shuters as i puch on the gas ive cheaked all the wires and there is spark coming from coil pack do you think that could be it ? the coil pack ""?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Feb 16, 2010, 5:06 PM
Post #4 of 10
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Re: 1995 vw passat miss firing when put load on it
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Yes - coil pack(s) also control spark and could leak it out causing misfire. Might even be seen if misted with water especially if darker lighting,
T
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dusto74
User
Feb 16, 2010, 5:31 PM
Post #5 of 10
(2732 views)
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Re: 1995 vw passat miss firing when put load on it
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i have put the car in garage and turned out lights but didnt see any spark from wires but i will cheak that way agin but look at the pack" thanks
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Feb 16, 2010, 5:39 PM
Post #6 of 10
(2729 views)
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Re: 1995 vw passat miss firing when put load on it
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They can be bad without sparking but if they do it's a dead give-a-way that something is wrong right there,
T
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dusto74
User
Feb 17, 2010, 6:32 AM
Post #7 of 10
(2720 views)
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Re: 1995 vw passat miss firing when put load on it
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there was nothing coming from the pack and i took off every plug wire from plug end and i got spark on all ' i just hat to spend 300.00 on a new pack is there any way to test it ?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Feb 17, 2010, 6:54 AM
Post #8 of 10
(2716 views)
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Re: 1995 vw passat miss firing when put load on it
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Tossing stuff on a maybe get expensive as you just found out. If there was spark at the plug end the coil was producing spark! If plug wire left unhooked a bad/weak spot would leak out current - perhaps unseen.
Gotta go for a little while here. Notes: This may not be a spark issue at all - The spark plugs effected if soaked in gas may not fire even with proper spark. Heated off car or toaster oven can fix a wet plug if not firing. They will air dry but the fuel can still conduct electricity unseen and not make a spark. Must be heated out of them if that's now happening. Compression of suspect or all cylinders may be in order now,
T
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dusto74
User
Feb 17, 2010, 2:22 PM
Post #9 of 10
(2707 views)
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Re: 1995 vw passat miss firing when put load on it
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i took out plugs and found that they are plugs for a 4 cylinder passat not 6 there auto lite 3924 and it calls for autolite 5224 but they look the same size and fit the same
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Feb 17, 2010, 3:27 PM
Post #10 of 10
(2702 views)
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Re: 1995 vw passat miss firing when put load on it
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Plugs may look similar and be totally wrong - can't say except unless listed as an alternative # they should be the right ones.
Heat range, resistance and designed to accept recommended gap among differences not necessarily seen comparing them by just looks. Anyway - did they all look the same wear and condition wise?
T
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