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2007 Chrysler Sebring won't Rev past 2000 rpm when pedal is to the floor. What could be my problem. Map sensor and connector are new. Also cleaned the throttle body and maf sensor.

2.7 and throttle body and map sensor codes were diagnosed

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  • Chrysler Master
  • 11,492 Answers

Plugged catayltic converter .

Posted on May 11, 2017

  • 6 more comments 
  • linda bernal
    linda bernal May 11, 2017

    How would I check it

  • linda bernal
    linda bernal May 11, 2017

    Codes stated map sensor and throttle body

  • Jeff Armer May 11, 2017

    Back pressure test the exhaust system .pull out a O2 sensor an screw in a back pressure gauge , or you could hook up a vacuumn gauge. You mite want to take it to a repair shop an have it done .

    watch this .A plugged cat will cause MAP sensor false code .
    https://www.youtube.com/watch?v=9TlygJMx...

  • linda bernal
    linda bernal May 11, 2017

    Catalytic plugged how would you check that

  • solver2010 May 11, 2017

    I personally would drop the exhaust header pipes off the exhaust manifolds, then start the engine ... but it would be loud!

  • Jeff Armer May 11, 2017

    Plus could break header bolts , rusty !

  • Jeff Armer May 11, 2017

    Hooking up a vacuum gauge would be easiest !But you probably don't have one

  • Jeff Armer May 11, 2017

    https://www.youtube.com/watch?v=d-jp1IIJ...

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  • Chrysler Master
  • 923 Answers

What engine is in the Sebring? It could be camshaft timing off because of a bad timing belt (or chain), it could be a failing fuel pump, or a clogged fuel filter, it could be clogged or blocked air intake, or clogged exhaust system ... and on and on we go!

Posted on May 11, 2017

  • 25 more comments 
  • linda bernal
    linda bernal May 11, 2017

    2.7

  • linda bernal
    linda bernal May 11, 2017

    Codes stated map sensor and throttle body

  • solver2010 May 11, 2017

    The map sensor does not sense aerial pictures of roads! MAP stands for "Mainifold Absolute Pressure," which is used for adjusting the air-to-fuel ratio, which will not let the engine run right if the MAP sensor is defective! The throttle body controls the amount of air coming into the engine. The TPS (throttle position sensor) is another control which must be working right ... but they often go intermittent!

  • linda bernal
    linda bernal May 11, 2017

    Map sensor and connector has been replaced throttle body has been cleaned and so has the maf sensor

  • solver2010 May 11, 2017

    How did we jump from MAP sensor to MAF sensor?

  • linda bernal
    linda bernal May 11, 2017

    Just cleaning as much as possible

  • linda bernal
    linda bernal May 11, 2017

    So would a bad throttle body cause my problem

  • solver2010 May 11, 2017

    That seems unlikely to me. The engine runs, but not very high RPM, is that correct? Is it difficult to start, or does it run better without a load on the engine (such as in neutral or park)?

  • linda bernal
    linda bernal May 11, 2017

    Car starts easy

  • linda bernal
    linda bernal May 11, 2017

    Can Rev it to 3 or 4000 a few times then it will not Rev at all with the pedal on the floor

  • solver2010 May 11, 2017

    Try removing the air cleaner filter. Is it damp or wet? Will the engine run okay without the filter installed? DON'T drive it like that, at least not very far or long! But the real question is, does the engine run okay without the filter?

  • linda bernal
    linda bernal May 11, 2017

    Let me check it

  • linda bernal
    linda bernal May 11, 2017

    No its dry

  • linda bernal
    linda bernal May 11, 2017

    It has rpms and then it flatlines this is crazy

  • linda bernal
    linda bernal May 11, 2017

    Only codes we got were for the map sensor and throttle body

  • linda bernal
    linda bernal May 11, 2017

    The plug to the throttle body was not locked in place so we did that

  • linda bernal
    linda bernal May 11, 2017

    Have a new throttle body but waiting to put it on until I have heard all my options

  • linda bernal
    linda bernal May 11, 2017

    Seems like the 2 codes went away after replacing the map sensor and securing the plug to the throttle body

  • solver2010 May 11, 2017

    I would plan on taking that throttle body back for a refund!

  • solver2010 May 11, 2017

    I once worked on a Plymouth Breeze that did about the same thing. So, I put a CURRENT METER in series with the electric fuel pump. The fuel pump would start out at some current level, but the longer it ran, the less current it would take ... until it stalled out altogether (which took about 3-5 minutes). The whole time, the fuel pressure was falling ... and falling, until the engine stalled because of lack of fuel pressure! Has anyone CHECKED your fuel pump current draw lately? Power window motors sometimes do the same thing! You could roll them down, but going up, they would go slower and S-L-O-W-E-R until they would stop ... but would go again after cooling off a while! So, being as curious as I am, I analyzed the power window motors, after taking them out. The problem was, when the motor brushes are mostly worn down, the brush pressure exerted by the springs falls of to near zero, as the brushes get warm! It's the same story with electric fuel pump[s!

  • linda bernal
    linda bernal May 11, 2017

    How can I check the throttle body

  • linda bernal
    linda bernal May 11, 2017

    So if the fuel pump was failing it will eventually stall

  • linda bernal
    linda bernal May 11, 2017

    No haven't checked the fuel pump yet

  • linda bernal
    linda bernal May 11, 2017

    Crazy how it idles pretty smooth revs a few then nothing with pedal on the floor

  • linda bernal
    linda bernal May 11, 2017

    This is quite frustrating

  • solver2010 May 11, 2017

    Just pull the fuel pump relay, and bypass around the removed relay contacts using a current meter connected to two unused spade connectors that give you something to connect to. You won't even have to jack up the car, or crawl under it ... unless the fuel pump is stalling out!

  • linda bernal
    linda bernal May 11, 2017

    Ok will do let u know

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