Question about 1994 Buick Roadmaster

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Timing off. Back fire. trouble starting on rainy days. Runs sluggish. Hesitation.

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New plug wires, sometimes when they get old they start to arc out and just make your car run terrible, especially on rainy days.

Posted on Aug 01, 2009

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Posted on Jan 02, 2017

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My 93 chevy 350 has issues. I'm Stumped???????????


back firing through the carby is an indication of valve timing, bad valves, ignition timing or crossed HT leads. Check the firing order

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I have 1996 isuzu rodeo , drives. looses power, dies and back fires like a shot gun,


back first to tail pipe end, not air cleaner, right.

back fire to tail
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sounds to me you lost cam timing
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called ENGINE OPTIONS< day 1.

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2002 venture wont start when its cold and rainy


Probably not. If one of the sensors were faulty you should have a check engine light on and a trouble code for the sensor.
Have you checked the plug wires ?
And as a side note, I don't show a 2002 Venture mini-van having a 3.8 engine.

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Sluggish, hesitation, surging. 5.7L TBI. When I hold the accelerator at 1100rmps it will start to dog and loose rpms. Full tune up did not help. Starts and idles fine. Replaced fuel filter also. I've heard...


I would go get a new distributor because gmc and chevy trucks are known for the gear that runs on the cam to get a little worn out and then the computer doesn't know where to advance or retard the timing to. So try that. I had a similar issue and I tried everything under the hood and it was just what I discribed.

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It may have to do w that timing chain due to vacuum advance being off too.

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93 chevy lumina runs rough dies and won't start after it warms up


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The timing chain is most likely worn & jumped a couple
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Truck runs a little rough on rainy mornings. the other morning on my to work running about 60 mph it cut off and would not start back up.had it towed home and started trying to trouble shoot . replaced...


Your checking incorrectly for spark. Hokk a timing light to the cyliunder in question. If the timing light won't flash, your providing enough voltage to the plug for it to fire. You"ll get the gas from that. It sounds like a cracked coil.

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1 Answer

My 1999 Toyota Tacoma recently started being sluggish


what plugs did you use, denso i hope. is the firing order correct?

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1 Answer

Car hard to start on humid days


Just tuned up a jetta, put di-electric grease under the plug wire boots and especially the coil wire. The moisture causes mis-fire mainly at the coil. His VW had the same problem. Small pack of grease will be enough. buy 2 packs at adavance auto for $1.09 each.

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1 Answer

2000 corolla sluggish when accelerating, fine at higher RPMs


Try changing out your distributer cap and rotor button. Let me know if that solves your problem.


Thx

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