Hello Guest
« previous next »
Pages: [1]   Go Down

Alternater voltage high 18+

  • 4 Replies
  • 1364 Views

0 Members and 1 Guest are viewing this topic.

*

Offline airdale navy

  • *
  • 82
  • 2
  • Gender: Male
Alternater voltage high 18+
« on: July 29, 2010, 07:36:04 PM »
I'm have a problem with the 1.6 8V in my 91 sidekick.Its idling rough and running rough still about 2500 rpm then it seem to smooth out .I have put a new fuel filter .TPS , fuel injector (used) .35 PSI fuel pressure.New O2 sensor. CTS Checks out .IAT checks out. No vacuum leaks or exhaust leaks.Changed MAP (used) Tried a different  coil .Change the distributor.(used)New cap,rotor,wire.I recently rebuilt the engine .The only thing I found is the alternator voltage is 18 + volts. Could high voltage make it run rough?
Logged
91 sidekick,8v,sky 1.5 lift,235 tires,full synthetic oils !GM alternator upgrade.Ford Mustang coil.4DR front brakes.
*

Offline airdale navy

  • *
  • 82
  • 2
  • Gender: Male
Re: Alternater voltage high 18+
« Reply #1 on: July 29, 2010, 07:38:56 PM »
No codes.
Logged
91 sidekick,8v,sky 1.5 lift,235 tires,full synthetic oils !GM alternator upgrade.Ford Mustang coil.4DR front brakes.
*

Offline wildgoody

  • *
  • 8134
  • 67
  • Gender: Male
  • Turbocharged 150HP 1.6L 8V 93MPH 1/4 mile
Re: Alternater voltage high 18+
« Reply #2 on: July 29, 2010, 07:39:48 PM »
Ya, could fry computer parts too, as well as feeding too high
voltage as reference signals for the sensors
Logged
Real Trucks Are Built, Not Bought,
And Chrome Don't Get Ya Home.  

An armed man is a citizen. An unarmed man is a subject.
*

Offline fordguy79

  • 494
  • 8
  • Gender: Male
  • long beach Wa,
Re: Alternater voltage high 18+
« Reply #3 on: July 30, 2010, 05:53:29 AM »
Over charging well boil your battery and get acid on every thing I wound change it before I would start it again  till you change the altenator
Logged
87sami 32" bfg mt 6.5:1 w/reverse S shifter  1.6 16v sold and missed
*

Offline airdale navy

  • *
  • 82
  • 2
  • Gender: Male
Re: Alternater voltage high 18+
« Reply #4 on: July 31, 2010, 07:58:42 AM »
Bad volt meter reads 3.5 volts  higher than  should.Autozone checked the alternater Checked good.I will Start a new post I will have to reset TPS and recheck all the sensors.Any ideas would be helpful.
« Last Edit: August 01, 2010, 06:05:40 AM by airdale navy »
Logged
91 sidekick,8v,sky 1.5 lift,235 tires,full synthetic oils !GM alternator upgrade.Ford Mustang coil.4DR front brakes.
Pages: [1]   Go Up
« previous next »