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1994 Mazda b2300 still not running right, have replaced coil packs, plugs, wires, and TPS sensor. Still does not want to take throttle. Lost I have replaced all the obvious what's next the ECM???

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  • Ricky Reed
    Ricky Reed May 02, 2017

    No Codes; no water in fuel; I drove it yesterday to dump; did not think I was going to make it back home. Local auto part stores do not have away to check truck for codes. I can't remember how to either. I think you jumper pins out and count the flashing sequence of the check engine light??

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It could be a clogged Fuel filter, clogged injectors, low fuel pressure from the fuel pump a mas air flow issue, iac needs cleaning, even a catalytic converter clogged,clogged air box tubes or air filter clogged, crank or cam sensors faulty. Do you have and codes stored that can help narrow it down for you?

Posted on Apr 27, 2017

  • Bruce Augustine Apr 28, 2017

    check the I.A.C. and clean it. check the fuel for water, ARE there any codes?

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Your fuel injectors maybe clogged,may need cleaning.

Posted on Apr 27, 2017

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1 Answer

I had a coil pack that I just change less than seven days prior burn up then I change out but not it will crank but not start im stumped it is a Mitsubishi endeavor 2004 6cyl.


Hello,

Assuming your spark plug firing order is correct after the coil pack replacement and your plugs and plug wires are clean and connected properly--and you have gas in the vehicle--I am thinking Throttle Position Sensor (TPS).
To test the TPS you hold the throttle pedal to the floor and start the vehicle, if the vehicle starts you need to clean or replace the TPS.

If the vehicle will still not start and everything was replaced on the vehicle as the parts came off of the vehicle--and the vehicle ran before think:
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You may need someone to crank the vehicle (mind your hands) while you test. You should be able to find videos for spark testing.

I hope this helps.

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