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1993 buick skylark quad 4 cylinder... car will not accelerate.... new fuel filter....new spark plugs...new air filter... fuel pump works fine.... car starts ok... car wants to stall but does not... loud blow back sounds from muffler when accelerator is pressed all the way down....repair shop says coil pack problem? cant find location of egr valve or pcv valve location to replace... really could use your help...any suggestions would be greatly appreciated.....zerrick01@gmail.com or zerrick01@yahoo.com.....thanks.....

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  • Cars & Trucks Master
  • 1,632 Answers

Clean MAF , and replace throttle position sensor .

Posted on Jan 22, 2013

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 17 Answers

SOURCE: 1993 Ford Tuarus Gl IN NEED OF HELP!

Well this could be in your timing. As cars get some miles on them the timing chain stretches therefore causing you car to lose alot of power.So you may want to have your timing set on this car. Also I had a taurus that had a bad torque converter, and it lost alot of power on hills and under loads, also when i gunned the gas pedal. so try the timing first. Hopefully you dont have a bad head gasket or a cracked head these symptoms you are describing are all signs of head gaskets or blown heads

Posted on Sep 04, 2008

phoenixinks
  • 89 Answers

SOURCE: engine cuts out on acceleration

could be the pump or injectors or both. while your at it check your fuel tank for rust dirt any thing.

good luck

Jason

Posted on Jan 17, 2009

ArcAiN6
  • 152 Answers

SOURCE: hesitation problem when accelerating.

Check for vacuum leaks, make sure your PVC valve is operationa. Also be sure to take your car to a place such as autozone where they can do a detailed diagnostic test (usually free of charge) wich will help you further locate the problem..

PCV Valve usualy runs about 3 - 7 dollars, and is usually located on your valve cover attacthed to a vacuum line,

O2, and Fuel sensors may sometimes have adverse effects on engine performance.

Posted on May 30, 2009

drsinister69
  • 2317 Answers

SOURCE: my ford f150 4.9 inline 6 stalls when you

What engine code is stored in the computer? You may have a bad TPS (throttle postioning sensor), or a bad O2 sensor. Auto Zone can retrieve the code for you, and tell you what sensor it is related to.

Posted on Apr 24, 2010

  • 3 Answers

SOURCE: No power accelerating or going up a hill

I have problems with mine too kinda the same this up hills,on ramps and occationally when i put it in park after driving. it sounds like somones in it reving it and letting off i changed the throttle positioning sensor,fuel filter,cut the cat converter off,replaced air filter and it shows no codes anytime i get it scanned i need some advice i dunno what else to do

Posted on Oct 10, 2011

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1 Answer

Not getting spark to my 1993 buick skylark


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1997 2.4L Buick Skylark stalling during takeoffs


There could the dirt in the engine carburetor please clean it or the the engine is getting rich ,or the on board computer may be faulty in the car or the wiring of the spark plug is defective get it checked ..............................



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I'm working on a 93 olds acheiva and the fuel pump


From the fuel system troubleshooting guide - 1993 Oldsmobile Achieva

Inspect Fuel Pump Low Fuel Pressure.
Inspect Fuel Pump Relay - Faulty Fuel Pump Relay.
Inspect Fuel Injector Pressure Regulator - Faulty Fuel Injector Pressure Regulator.
Inspect Fuel Pump Strainer - Clogged or Dirty Fuel Pump Strainer.
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Nov 04, 2011 | 1993 Oldsmobile Achieva

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I have a 1995 buick lesabre and i changed control module,position sensor,cam sensor and computer. car stop and will turn but want start. when i first bought car it had this vibration on take off but never...


Are you getting gas and spark to the cylinders?

If you add gas to the throttle body, does it start?
If so, then you have a fuel pump delivery problem in this vehicle.

If it doesn't start, then you may have a spark problem at the spark plugs due to a coil pack going bad or a module (but you said you changed the module).

Also, is this a 1995 Buick LeSabre of a 1993 Buick Skylark (which it is listed under)? What engine size is this?

Aug 06, 2010 | 1993 Buick Skylark

1 Answer

Vehicle shudders and sometimes dies. It shudders


Check the EGR Valve for stuck open condition with a vacuum pump.

If at idle you apply vacuum and it gets worse and shuts down or shutters, then that's not the problem. But, if you apply vacuum and there is a leak, there is a bad EGR valve on the car. If you apply vacuum and it operates the EGR and there is no change then the EGR should still be removed and the pintle cleaned, or a new EGR Valve should be installed.

Also, a coil pack could be causing this condition, where not enough spark gets to the spark plugs.

Is this a 4 tech or quad 4 engine?

Also, the cylinder head gasket could be burned through and allowing one cylinder to bleed exhaust to another cylinder on the Quad 4.

Good luck with this.

Jul 13, 2010 | 1991 Buick Skylark

3 Answers

1993 buick skylark w/ 3.3 V6. Died at stop


You have 35 psi of fuel pressure and injection pulse?

Jul 08, 2010 | 1993 Buick Skylark

1 Answer

1991 3.3l buick skylark,have spark at plugs,have fuel pressure at rail,but no fuel in cylinders,fuel regulator maybe?


Or maybe as simple as a blowen fuse for the injectors. There should be a fuse for the injectors, either under the hood or inside of car.

Jun 14, 2009 | 1993 Buick Skylark

2 Answers

Starts and then stalls immediately


Hello There

It sounds like a weak fuel pump, which turns but not with sufficiant pressure.

I would also recommend looking at the MAF (Mass Air Flow) sensor which can also give similar problems.


Hope this helps, please don't forget to rate me.

May 20, 2009 | 1989 Buick Skylark

2 Answers

Doesn't want to accelerate


check spark plugs wires!!

Jan 21, 2009 | 1996 Buick Skylark

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