Question about 2003 Chevrolet Cavalier

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Gauges misreading bigtime

My speedometer will say that i am going 110 when i am MAYBE going 35-40, my temp gauge reads about 300 and my rpm gauge says i am always going about 6000rpm. it kind of suddenly started doing this, but all three gauges didnt decide to read wrong at the same time. first was the speedometer, then the temp gauge, then the rpm gauge. but now they all read wrong. they just didnt start together. Help !?!?

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  • Heyenga Jan 14, 2009

    I have the same problem. It happens when I'm driving in a lot of rain or melted snow (wet roads) or when it gets hot or when I drive a long distance. Can anyone give an idea of what is causing this and/or what it would cost to correct?

  • jengeeb Jan 20, 2009

    I'm having the same problem with my 2003 cavalier! A couple weeks ago, the temp gauge was way passed the red 260 mark and into the speedometer gauge area - scared that my car was overheating we added antifreeze and the gauge actually went back to normal. Then yesterday, I was driving to work and looked at my speedometer and it said I was going 80mph in a 40 zone! However, my speedometer was stuck at 20 and my temp gauge was AGAIN way passed the red! I rushed home to check my car. It didn't feel hot at all and we checked the oil - to see if there was any water in it - but there wasn't! Please help! If the gauges are broken does anyone know about how much it would cost to fix? Also, is it safe to drive the car when I don't know if it really is overheating or not?

  • rachelwines Jan 25, 2009

    my temp guage is laying on top of my speedometer needle! now i don't know how fast i'm going or if my car is over heating. Oh and i ran out of gas yesterday because that didn't work either

  • Winkkin Feb 06, 2009

    Started with the temp, then spedometer, fuel guage, ammeter, tachometer, and now oil pressure. Kinda worked its way from left to right over the last year. At first they wouldn't zero when you started the car, but would settle in the right position if you switched the ignition on and off several times. Now most of the guages are at the 6:30 position and dont move in response to ignition or startup checks. Seemed worse during the winter. Gonna try pulling the battery cable this weekend (suggested by a mech at work) and letting everything get a complete reboot when reattach it. Btw mine is a 2004 Monte Carlo

  • Heyenga May 11, 2010

    basically, huh?



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Instrument cluster and buy and extra per gm quality

Posted on Feb 02, 2009

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I found a temp fix for my 2004 monte carlo,is to try 1 of 3 things to rest rpm gauge that reads more than actual speed. (1) turn key on and off. (2) pull the fuse for instrument panel. (3) disconnect the battery for awhile. I don't know what is causing this problem.

Posted on May 27, 2012


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