Question about 1997 Chevrolet Astro

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Engine shakes and I have very little power also their is some backfireing. I replaced the plugs and wires Help!

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Change the oil and just tune up little

Posted on Jul 14, 2009

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2 Answers

My car is shaking when I put it in reverse and a little bit when in drive. Prior to this I changed out my plugs and wires and the car was acting up by backfiring and shaking violently.


I am thinking that with the back firing ans all ,you put the ht leads on in the wrong firing order and had 2 wires crossed
when replacing the new with the old you fixed the cross wires but reintroduced a bad plug or a bad ht lead.

Jun 24, 2015 | Cars & Trucks

1 Answer

I have 1996 mustang v6 the car shakes loss of alot of power the car barley goes up hill if im taking off i have to push it to the floor so the car can start rolling please help me man


that car has a misfire check to see witch cylinder has the misfire by removing the spark plug wire while its running you should hear the change in the engine

Feb 26, 2015 | Cars & Trucks

2 Answers

My 2003 ranger 2.3 is idoling rough and sounds like its backfiring in side the engine seems to run fine when i accelerate


Could be that your cat is clogged up,the way to check is to remove and look in both ends,mine clogged up and caused my head gasket to blow between cylinder 3 and 4 on my 85 Nissan 720,part of the inside came apart and was blocking the air flow,causing my exhaust plugs to blister.

Feb 19, 2015 | 2003 Ford Ranger Regular Cab

1 Answer

What happens when you start the engine with distributor wires in incorrect placement


It messes up the timing of when each spark plug is supposed to fire. The engine will shake, run rough and may back fire too. If you get more than 2 wires wrong on a 6 cyl engine, it won't run at all, may backfire and will shake when trying to start it. You may smell unburned gas too. Adjusting the timing will not fix it. The wires MUST be connected up the right way to operate the engine properly.

Jun 03, 2014 | 1999 Dodge Dakota

1 Answer

93' Grand Am 3.3L V6 car idles rough, shakes, backfires, and evetually dies.


do you have a check engine light on if so need to get it scanned they scan them for free at your local autopart store need code

Feb 23, 2013 | 1993 Pontiac Grand Am

2 Answers

Would a bad timing chain or timing belt make the engine shake


It could if its bad enough, but it will also display other problems as well. Hard start when hot, pre-ignition loss of power.

Feb 20, 2013 | Cars & Trucks

1 Answer

My 2000 ford F250 hesitates Ithink its a misfire problem, new plugs have been installed. The problem beganat 1400rpms or at the range of 45-50mph.It hesitates and shakes a little, and you can hear it...


if the mass air flow sensor is dirty or bad it can result in a backfire and run rough. A high level of impurities in the fuel can clog the fuel filter and prevent it from propelling the appropriate amount of fuel to the engine. its very hard to tell, there are many causes. from timing to engine tuneup plugs etc. to vacuum leaks in exhaust close to engine. hope this helps you! if you did install new plugs it may be the wires or a bad coil.

Aug 23, 2011 | 2000 Ford F250 Super Duty Crew Cabs

2 Answers

Car had been running fine, backfired once and lost a little power momentarily. Parked 24 hours,started right up but backfired and died. Now starts easily but dies without intense pressure on gas pedal.


Sounds like it's fouled a spark plug this happens as the plug wires fail and the power goes to ground instead of firing the fuel. The timing belt could have skipped time but the engine may run smooly but have very little power.65158335.jpgThe plug wires will act like what you say too.340881376.jpgThe boots get electrcal holes in them and they fire to the head instead of the fuel mixture and then it fires sometimes and throws everything of and they run very badly or not at all.

Feb 24, 2011 | 1999 Ford Escort

1 Answer

Had the spark plugs and plug wires changed on my 1994 GMC Safari minivan, and now it runs very rough. If I stop, the engine shuts off. Backfires a lot also. The whole van shakes bad going down the road....


If your Safari did not expecience these systoms prior to you changing the plugs and ignition wires, then you may have crossed two or more of these wires when they were repalced.

Feb 20, 2011 | 1994 GMC Safari

2 Answers

Sudden loss of power, Backfiring, starts then stalls


Your timing belt could be broken. You want to have this checked as soon as possible to prevent any further engine problems.

Nov 27, 2008 | 1991 Honda Civic

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