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tony
Dodge Dakota
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2/14/2005
08:31:37
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 Subject: back fires thru intake
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Message:
i have a 93 dakota i changed the fuel pump and the plugs wires cap and rotor.Now the thing skips and backfires thru the intake.It starts and idles allright but when i drive it acts up.If i step on the gas it takes right off but as soon as i level out it acts up.Any info will be appreciated.
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93dak4x4
Dodge Dakota
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2/14/2005
08:41:31
| RE: back fires thru intake
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Message:
i've had mine backfire thru the intake on a cold day a few times but never while i was driving and only once at a time...i dont know what the cause would be
93 CC V6 4x4
V8TB
Flowmaster 40
3923's
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?
Dodge Dakota
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2/14/2005
08:46:12
| RE: back fires thru intake
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Message:
Possible leaky injector !
First double check spark plug gap.
.040 to .045
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tony
Dodge Dakota
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2/14/2005
12:50:42
| RE: back fires thru intake
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Message:
i checked the gap and they are at 40 the old ones are 45 will that make a differance?I got these right from dodge dealer. Alltho they didnt say what the gap should be.
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Pat
Dodge Dakota
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2/15/2005
12:34:07
| RE: back fires thru intake
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Message:
You changed the wires? Are you SURE you didn't cross a couple. Sounds like firing out of time.
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tony
Dodge Dakota
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2/15/2005
12:59:45
| RE: back fires thru intake
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Message:
i rechecked the wires and they are all right.I also changed the pickup in distributer.No change.
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93dak4x4
Dodge Dakota
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2/15/2005
15:50:04
| RE: back fires thru intake
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Message:
have you changed any of the sensors, maybe try the crank sensor, if it is reading wrong your timing will be off and you could produce that type of behavior.
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tony
Dodge Dakota
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2/16/2005
07:42:42
| RE: back fires thru intake
IP: Logged
Message:
i changed crank sensor today. no change. Im gonna try the 02 sensor next.
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GB2000
GenIII
2/16/2005
07:52:32
| RE: back fires thru intake
IP: Logged
Message:
plenum gasket?
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93dak4x4
Dodge Dakota
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2/16/2005
08:40:44
| RE: back fires thru intake
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Message:
im sorry man, i dont know what else to tell ya, you know its got to be some sort of timing or electrical issue...maybe your computer just took a $h!t
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wadak
GenIII
2/16/2005
15:10:01
| RE: back fires thru intake
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Message:
Tony, I had a high speed "backfire" or "pop" on my 97 v6 dak. The problem was the sensor in the distributor used to set fuel sync. Depending on mileage, you may have a loose plastic connecting plate in the distributor. The drive gear for the distributor could also be loose or worn. Generally any time you get a miss while it's running it's gonna be related to ignition. Good Luck and report back what you find.
92 and 97 Daks both with many mods.
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93dak4x4
Dodge Dakota
JOIN HERE
2/16/2005
17:18:03
| RE: back fires thru intake
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Message:
wadak,
I have a hard time believing it would be a worn distributor because his problem didnt develop over time, it started all of a sudden. but the sensor for the injector sync sounds like a promising place to look.
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tony
Dodge Dakota
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2/16/2005
20:59:46
| RE: back fires thru intake
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Message:
I changed the crank sensor to no avail. I also decided to take out plugs to recheck gaps and noticed the #6 cylinder didnt look right. it had black powder on it , maybe not firing? So i changed that plug and wire no change. I was also told to check the injecters so i put a screwdriver to them and that injecter seems to "click" faster than the others. Im not sure if this is right or not. Thanks in advance.
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Anthony
Dodge Dakota
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2/16/2005
21:24:05
| RE: back fires thru intake
IP: Logged
Message:
Check to see if you plug wires have a cut in them they could be grounding out. I had the same problem one time with a car.
Anthony
www.geocities.com/dak2nv/
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