Question about 2002 Mazda Protege

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2002 mazda protege 5

Yesterday my car began to loose power especially when I am taking off. It seems as if the car isnt getting enough fuel, or is starting in 2nd gear. (I filled up yesterday morning) The problem was not too bad and I nearly forgot about it. A few hours later I went for a drive and the car had no problems, after driving for 30 mins the problem came back and the car began doing the same thing. It also now does it when Im driving at higher speeds and feels like Its chugging and not getting enough fuel. The check engine light came on. It flashed and then stopped flashing and remained solid. I hardly made it up the hill near my house. The problem kept coming and going the way home. This morning I went for a test drive and the problem seems to have dissapeared again. What could this be?? Any suggestions would be VERY appreciated. Thank you.

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  • cavaliero5 Nov 17, 2008

    same problem , changed coil and wires and plugs problem still there. car wants to stall and idles rough

  • akjlatshaw Feb 06, 2009

    I have a 2002 Protege that I bought in June 2008 with 84500 miles. It started losing MPG so I had it tuned up - ever since I have the same shuddering, engine light, wanting to stall, no power - code P0300 shows, which is a General Engine Misfire - could be anything. EGR valve is good, engine compression is good; plug wires are good - the only thing we found was the new plugs put in were double diode, not NGK like Mazda recommends - we are going to change them out this weekend and see if that helps.

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I had the same problem with my 02 Protege 5. After new plugs, wires and a few hours of tinkering around, we found it to be a grounding problem with 1 of the coil packs. There are 2 coil packs on the motor. You can pick one up at Autozone for $30 and they very simple to change out! Good luck!

Posted on Apr 30, 2009

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Rough idle or hesitation in the 02 protege can be caused by a stuck EGR valve or IAC controller. if theres hesitation or shudder when accelerating it may be a clutch release bearing problem that lets the clutch slip. there is a recall out for this problem. another cause could be that you are running the car too hard before warmup and this causes a similar shudder. if your problem goes away after the car warms up i would go with the latter.

Posted on Nov 21, 2008

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Something simular happened to my car and it was theignition coil packs

Posted on Aug 08, 2008

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This is the solution. In 2005 there was a repair recall for the Protege5. It was an faulty intake manifold shudder valve. Instead of a full replacement of the manifold, Mazda decided to just switch out the valve to save money. Your problem is a failure of this replaced valve. It was only under warranty for a year after replacement. You need to replace the intake manifold to correct this problem. $$$$ sorry and good luck.

Posted on Feb 06, 2013

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SOURCE: Mazda Protege 2001 is missing going uphill.

may be bad plugs or plug wires

Posted on Jan 20, 2010

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