Question about 1999 Chevrolet Tahoe

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I have a 1998 chevy Tahoe it starts fine but when driving it starts to act like its running out of gas then dies after I let it sit it will start up again but does the same thing have replaced mass air flow and replaced camshaft position sensor and its still doing the same thing

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  • bekki Aug 09, 2013

    after replacing cam shaft sensor it still throwing code E341

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Vacuum line do your brakes hiss? Check the brake booster

Posted on Dec 22, 2014

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Replace the coil and your plugs and leads.

Posted on Aug 09, 2013

Testimonial: "thank you after replacing cam shaft sensor it still throwing code E341"

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  • Chevrolet Master
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Have you checked fuel pressure ?

Posted on Aug 09, 2013

Testimonial: "thank you after replacing cam shaft sensor it still throwing code E341"

  •  Stephen
    Stephen Aug 10, 2013

    I think you mean P341. If you have replaced the sensor and still get the code, the problem may be in the wiring harness or the camshaft.

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Posted on Jan 02, 2017

Molson02536
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SOURCE: 98 chevy suburban, code reads mass air flow sensor

Check the wire leads and clean them before reconnecting the wire leads. It wouldn't hurt also to clean the MAF sensor with MAF cleaner, the code your getting is most common to the high performance oil base filters like K&N.

Good luck and this should help you resolve your MAF issues. Thank you for using Fixya

Posted on Mar 12, 2010

les_gobich
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SOURCE: 1999 Chevy tahoe will not start

check the crank sensor. no signal from the crank sensor causes a no spark condition. best way to check is to put a scanner on and check for rpms.
the crank sensor is differnt from the cam sensor

Posted on Apr 26, 2009

keithheavili
  • 410 Answers

SOURCE: Code po101, hard start when hot (have to hold W.O.T. to start) & stumbles on accelertion. Changed MASS sensor, no help.

Basically this means that there is a problem with the Mass Air Flow (MAF) sensor or circuit. The PCM detects that the actual MAF sensor frequency signal is not within a predetermined range of the calculated MAF value for more than 4.0 seconds.  I would try cleaning out your MAF sensor with some carb cleaner and reseting the check engine light to see if it comes back on.  If it does, get back on here and let us know and we will walk you through some other things you can try.  Cleaning it out will be the easiest/cheapest thing for you to try right now.  Good luck.  Thanks for an honest rating and for using FixYa.   

Posted on May 22, 2009

  • 702 Answers

SOURCE: having problems with my 96 chevy tahoe mass air flow

The MAF (Mass Air Flow) sensor is a very common problem with these along with the pickups. This isn't what you would call an inexpensive part. Definitely do some shopping before you buy one.

Posted on Nov 10, 2008

  • 140 Answers

SOURCE: 1998 Chevy tahoe Hard to start when cold

Hello, yes the check valve is in the fuel pump assembly. The check valve is leaking and the pump will burn out soon. Unfortunately the aftermarket fuel pumps can be very unreliable. A good portion of problems we see on this site are from people who replace the pump sometimes twice and it still doesn't work.

Posted on Jan 03, 2009

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99 chevy tahoe, 5.7 starts and idle fine, slowly give it gas it accelerates, step on the gas and it faulters, stalls sounds like it will die and bogs down


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1998 Chevy tahoe Hard to start when cold


replace your MAP sensor(manifold absolute pressure) the map sensor is the computer for your fuel pressure regulator telling how much pressure. Unless your tahoe runs like **** going up hill than it inevitably your fuel pump

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I would suspect fuel pump before an odd ecm problem. When was you last fuel filter? An extremely dirty filter will wipe out these fuel pumps if left in play too long.

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