Question about 1995 Ford Probe

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Loss of power with hesitation

I have 95 probe SE-4 cylinder. Experiencing a loss of power with hesitation especially when attempting to accelerate. Also burning more fuel than usual. Recently changed catalytic converter-that was clogged but problem still exist. HELP!

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  • udog Jul 09, 2008

    No rotten egg smell, but there was the heavy smell of unburnt fuel. Thanks for the advice....will have that diagnostic ran. The most frustrating part of all is the fact that it does not all always run like this. Again thanks!

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Is your check engine light on? If so have someone run a diagnostic scan to try and pinpoint the culprit. This could be caused by any number of ignition/emission/ or fuel system problems such as filters, sensors,plugs,etc. If I had to guess than I'd check the EGR valve system and possibly the O2 sensors. A "clogged" catalytic converter would suggest this. Did you notice a rotten egg like smell from the car. Converters usually rust away these days...

Posted on Jul 06, 2008

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OK my 95 Chevy 1500 2wd 4.3 manual transmission, the truck runs fine never fails to start but seems to have a little loss of power but I'm also running 33 inch mud tires on it. it smokes a little out the...


the bigger tyres the more power it takes to turn them
You have very big tyres so suffer a loss of power
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What, other than plugs, wires , cap and rotor would be causing loss of power on acceleration, but not all the time,, intermittently.


There is a vacuum advance attached to the distributor. Inside the vacuum advance is a rubber diaphragm that can crack from age an no longer work. Sometimes the vacuum hose that attaches to it may not be getting proper vacuum. This device adjusts your timing when you accelerate. Improper function could cause the problems you describe. Also, a vacuum leak in any of your vacuum system could cause the problem your describing. Too much air intake on take off from a faulty vacuum system could throw off your air fuel mixture on acceleration causing hesitation until the air fuel mixture can catch up which is when the power comes back. Hope this helps.

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What is code p0300?


P0300 - Random, Multiple Cylinder Misfire Detected Fault Code Definition
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Symptoms
  • Check Engine Light flashing
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When maintaining speed of about 50mph,2004 pacifica hesitates and will cut off while in park sometimes.check engine light is not on


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It can be fuel pressure issue or it's the problem with accelerator pedal or its clogged filters causing there.

There are many other possibilities. I suggest you to go through the list of help links mentioned below, these will help you to confirm where the actual fault lies: -------

Jerks and Hesitates During Acceleration?

http://technoanswers.blogspot.in/2012/07/2004-dodge-town-country-jerks-and.html

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http://technoanswers.blogspot.in/2012/02/loss-of-acceleration.html

---------

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http://howtobyme.blogspot.in/2012/02/headlights-flickering-and-car-hesitates.html

--------

How exactly the Vehicles Accelerator Cable works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-cable.html

-------------

How exactly Vehicles Accelerator Pump Diaphragm Works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-pump.html

--------

2000 Toyota Avalon: Engine Lean Codes and Knock Sound on Acceleration?

http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-engine-lean-codes.html

---------

2004 Toyota Avensis: Acceleration And Deceleration makes noise on Front End?

http://whatisbyme.blogspot.in/2012/05/2004-toyota-avensis-acceleration-and.html

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Wheel hop under hard acceleration?

http://technoanswers.blogspot.in/2012/04/wheel-hop-under-hard-acceleration.html

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2009 Chevy impala accelerator pedal sensor?

http://technoanswers.blogspot.in/2012/02/2009-chevy-impala-accelerator-pedal.html

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Nissan Pathfinder stalls and bucks on Acceleration?

http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html

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Acceleration lag problem?

http://repairhelpcenter.blogspot.com/2012/01/acceleration-lag-problem.html

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These details will help.

Thanks.

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Not sure what you mean by loss of power. If you mean lack of acceleration or bogging down, than a bad cat convertor can cause this problem because you are lossing vacuum during acceleration causing the vents to switch from floor to defrost. Hope this helps leave comment.

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What Can This Be?

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