1997 Chevrolet K1500 Logo

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Posted on Mar 18, 2009
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My 97Chevy1500 runs but it will sputter&shutting off when driving

I already changed my mass airflow sensor and TPS sensor but it still is shutting off and sputtering. I've already checked the distributor cap/wires/spark plugs and did a code scan and checked for clogged injectors.

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  • kbnews2 Mar 18, 2009

    Also, It is a stick shift

  • kbnews2 Mar 18, 2009

    I will have to try that thanks for your help

  • Anonymous May 11, 2010

    have you checked the lambda sensor? this tells the ecu how much oxygen there is in the exhaust gases. it could be telling the ecu "lies" so to speak.



    hope this helps.

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  • Posted on Mar 18, 2009
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No worries, glad to help. let me know if it fixes it or not.

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Why is it stalling?

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Already had a new throttle body put in a little over a year ago and it has started messing up again but now my engine sounds bad. It is like it has lack of fuel. we are 4 hours away from home and were...

There are two things that can cause similar symptoms to the TPS, ( throttle position sensor ),

1. The oxygen sensor, ( front, before catalytic converter ). If this part is bad it will prevent the computer from being able to determine the proper fuel-air mix ratio.

2. Mass airflow sensor. If this part is bad it will cause incorrect information to the computer as well.
The result is varying levels of, loss of power. ( sometimes you can unplug the mass airflow sensor to see if the engine runs smoother.
You really shouldn't, but, some will drive while the sensor is unpluged and it will eventually damage other sensors as well as cause ill effects to the catalytic converter.

I hope this helps you.
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the problem could also be caused by a bad mass airflow sensor. you may be able to get one cheap at a junk yard.
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My 97 Chevy 1500 runs but it will sputter and shut off .

Check the distributor cap/wires/spark plugs. Also might be clogged injectrors (injector cleaner)
Hope that helps
Good Luck
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My 97 Chevy 1500 runs but it will sputter and sometimes shut off.

sounds like a simple Fuel filter Issue. (if its not the injectors)
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