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About mhuppertz

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  • Birthday 03/05/1961

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  1. mhuppertz

    Brake issues not resolved

    I replaced the Brake Pressure Relay to try to get rid of the dreaded "low brake pressure" error and subsequent loss of power braking, really fun on my daily driver... The problem went away for two and a half days, and it was glorious. Then the issue came back. After a week the intermittent "Electrical Problem Detected" error came back also. I can't figure out what would cause it to work normally sometimes, then randomly stop working. Any ideas? The relay I used is GM 19106975, ACDelco
  2. mhuppertz

    Brake issue possibly resolved

    Not sure if I posted this issue previously. Search is coming up with nothing.
  3. mhuppertz

    Brake issue possibly resolved

    I replaced my brake pressure relay and drove the car all day without issue, other than the accumulator being flat. Also my "electrical issue detected" error has gone away. Maybe they were related somehow.
  4. mhuppertz

    Too hot to handle

    Changed my water temp sensor and when I drive around town in the high 90's is registers "HOT" and shuts off the A/C if I sit waiting to get fuel or something. The fans are spinning but not like I think they should be in a hot engine situation. Could it be a fan controller? I can't seem to find reference to a controller or a replacement part number.
  5. mhuppertz

    Poor Reatta lost its mind

    It worked perfectly for one day. so I think I had the right part. Bought the next one from Napa, so we will see, replacing it hopefully today.
  6. mhuppertz

    Poor Reatta lost its mind

    Interesting news, I plugged in the old temp sensor and the Reatta gained its former composure, as it were. So the new sensor lasted one day then sent the ECU into munchkin land. Go figure. Going to get one from Napa tomorrow.
  7. mhuppertz

    Poor Reatta lost its mind

    Well, the new temp sensor lasted one day. Now my poor car has list its mind, flashing that it is too hot and cutting the A/C, then electrical problems, then sticking at a reading of 118, then low oil (it's not low, and I replaced the sensor last fall), and one and on. Codes: E014 E022 B122 B123 B482 B446 B450 I replaced the TPS and had it set to .4v, replaced the coil pack and controller... battery cables are nice and tight (and clean). This is hard because it's my daily driver. Thoughts? Thanks, Mark
  8. mhuppertz

    Temp Sensor Location

    Thank you 2seater. Just changed it out and so far it seems better, but I won't know until I drive around in Albuquerque in the heat of the day. First impression is the new sensor is reading 15 degrees cooler.
  9. mhuppertz

    Temp Sensor Location

    Sorry, 1989 Reatta. I read the post referenced above but it didn't shed any light on the situation.
  10. mhuppertz

    Temp Sensor Location

    My temps keep reporting overheat even though the car isn't overheating. Bought a new sensor, can't find the old one on the engine! Yes, I do need a service manual...
  11. mhuppertz

    Finally Done: Series III and F40 Six Speed Swap

    Any updates Daniel? How does it pull? Any clue on 0-60 or 1/4 mile times?
  12. mhuppertz

    Spark Angle a big fat zero on the freeway

    The coolant temp in the gauges section reads normal to high, but the coolant temp in the diags reads very low, like 110. Is there a separate temp sensor for the ECU?
  13. mhuppertz

    Anyone have a drivers rear reflector strip for sale?

    This is the one I need.