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    temp gauge issue

    So im having the common temp gauge issue where it just goes to H. Literally 20 seconds after start it goes up to a little less than midpoint and then poof, all the way up.

    I have changed ALL sensors ( especially the small single prong) connector/sensors. actual coolant temp is normal (tested) car drives fine, RPM stable etc.

    I have heard about some sort of grounding issue. How can i wire it to a ground ? I have some extra wire laying around that i could possibly use.

    Thanks !
    Members Ride - 1993 Honda Accord EX




    #2
    Check the engine harness ground under the thermostat. Go ahead, remove it, clean up the surface and the harness end, reinstall. How is your coolant level? Make sure the radiator is full and the system is bled properly. If you raise the front of the car as much as you can on a floor jack or set of ramps, open the radiator, make sure it is full, then open the thermostat bleed fitting until you get a solid stream of coolant coming out. Close the bleeder, then make sure the radiator is full again. Install the radiator cap. Make sure you have a proper level of coolant in the overflow tank.

    Did you change the sensors with used or new ones? Don't have my service manual handy to give you the proper resistance across the sensors.

    It is also possible that the gauge itself is bad.
    90 LX 4dr 5 spd 395,000 - MRT: http://www.cb7tuner.com/vbb/showthread.php?t=201450
    07 Element EX AWD 205,000 - MRT: http://www.cb7tuner.com/vbb/showthread.php?t=210623
    07 Element EX AWD AT (2) 102,000 - MRT: www.cb7tuner.com/vbb/showthread.php?t=211920
    08 Element LX FWD AT 227,000 - MRT: fleetw00d : 2008 Honda Element LX - CB7Tuner Forums
    LOTS of CB7 parts - ENTIRE COLLECTION - FREE
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      #3
      re

      Ill check the ground...on the harnesss under the thermo...what should i look for ?

      All sensors were brand new and OEM (fan switch, the single prong x 2, one sensor by the front (near top pipe)

      radiator is full and i had recently gotten the rear heater core hose replaced and repaired (i couldnt get my hand to the rear metal clamp)

      this is the only nuisance i have right now. I think the gauge is not bad because it still works. But i am sure the voltage reading is off due to grounding
      Members Ride - 1993 Honda Accord EX



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        #4
        still in the same boat. any other 3rd party ideas?
        Members Ride - 1993 Honda Accord EX



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          #5
          Did the issue start after they replaced the heater core?

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            #6
            Originally posted by Raf99 View Post
            Did the issue start after they replaced the heater core?
            nope. was going on before too
            Members Ride - 1993 Honda Accord EX



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              #7
              Ahh ya. So need to see if the resistance on the gauge is proper (I'll assume it is). Then the same resistance should be on the wires leading to the ECU? (would have to check manual for wiring). But .... this is probably going to be in the gauge cluster itself, seems like you tried everything else. Have an electrical manual for the car?

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                #8
                I had issues with corrosion on the printed circuit board in the cluster causing problems with the guages, including the temperature gauge. I ahve also had problems specifically with the gauges.
                90 LX 4dr 5 spd 395,000 - MRT: http://www.cb7tuner.com/vbb/showthread.php?t=201450
                07 Element EX AWD 205,000 - MRT: http://www.cb7tuner.com/vbb/showthread.php?t=210623
                07 Element EX AWD AT (2) 102,000 - MRT: www.cb7tuner.com/vbb/showthread.php?t=211920
                08 Element LX FWD AT 227,000 - MRT: fleetw00d : 2008 Honda Element LX - CB7Tuner Forums
                LOTS of CB7 parts - ENTIRE COLLECTION - FREE
                Come and get it. http://www.cb7tuner.com/vbb/showthread.php?t=192583

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