Question about 1991 Mazda 323

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Trouble with acceleration

Hi, I`m driving a Mazda 323 from 1991. Recently I`ve been experiencing problems during acceleration. The car seems as if it`s going to die then it jumps. The problem isn`t always present, it seems to be more frequent when running lower and lower on gas, but not even on reserve. So, what do I do? Thanks for your help

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  • 227 Answers

You'll need to clean the fuel system from the pump to the, filter

Posted on Apr 07, 2014

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Posted on Jan 02, 2017

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yankstorm02
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SOURCE: my car idle dips to low RPM at a stop i give it gas it dies

Is the engine light on? Check the air inlet hose between the throttle body & MAF sensor for cracks or leaks. Try unplugging the MAF & see if there is any difference

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SOURCE: 2002 Madza Protege was checked

any time the check engine light flash on and off you are causing damage to the cat.

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SOURCE: Sounds like it's going to die until it warms up...

Katrina, the fact that your car runs (like a beauty) when shes warmed up, indicates a fuel air mixture problem when cold. Your car is equipt with electronic fuel injection. This system utilizes a series of sensors that detect conditions such as engine temp, outside temp, humidity and air pressure to determine what mixture is perfect for the prevailing condition. For example, on a cold start, the sensors should know that the engine is not up to the proper operating temperature and provide more fuel and less air, (a richer mixture), until the engine warms, this emulates a choke on a vehicle equipt with a carburator. The problem either lies in the sensor itself, or the brain that interprets these inputs to decide what fuel/air mixture to deliver.

Posted on Sep 18, 2009

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roniecon
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SOURCE: Losing power

Check the output from the alternator to the battery,with everything on,lights,and ac,high blower motor setting.It should read 13.65 volts,to 14.25 volts,if it is lower than this,then the alternator is bad,just because the battery maybe starting the vehicle good,and seems strong,does not mean the alternator is working correctly.No days,vehicles ignition/computer systems need a good bit of voltage to run the car,and charge the battery.

Posted on Jan 23, 2010

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SOURCE: My 2002 Mazda MPV recently developed an engine shake

You might try another mechanic if this one can't get it fixed. Shaking is usually caused by one or more cylinders mis-firing for whatever reason--usually faulty ignition or fuel injection. Has the engine had recent tune-up? Bad spark plugs/plug wiring are frequent villains. Not sure what an 'OS2' code is. Hope this helps!

Posted on May 21, 2010

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1 Answer

PROBLEM: LACKING POWER, AND EXPERIENCING SLUGGISH ACCELERATION


Guessing here, might help to know the make/model/year/engine.
Sounds like you're running in "limp mode" because one of your sensors is either bad or simply not hooked up. Perhaps TPS (throttle position sensor) or MAF (Mass AirFlow)

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CERACOAT-NANOTECH.com

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Change that fuel filter Jamie!

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Could be a transmission problem or something as simple as bad spark plugs.
The engine is under the most load when RPM is low and you are trying to accelerate, such as when it upshifts.
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Hesitation during acceleration


could be the type of plug you are using.I was told only to use ngk plugs.I recently put bosch plugs in my mazda 3 and the check engine light came on and it started missfiring.

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When I drive my Mazda 626 (97) in high way, at about 110 KM/Hour speed. Sometime the tachometer will suddenly go up and come down (e.g. go up to 4000 RPM or 5000 RPM from normal say 3000 RPM in one or two...


Does your Mazda have a standard trans (clutch), or automatic.
If it's automatic, the tranny might be slipping, and if it's a standard shift the clutch may be slipping. Does the actual driving speed (not engine rpm's) seem to stay the same when this happens? If you are still traveling at the same speed even though the engine speeds up, it's your tranny or clutch. I don't think the timing belt and tensioner have anything to do with this. countrycurt0

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