Is it electrical?

Asked by Oct 20, 2015 at 11:39 AM about the 1994 Chevrolet S-10

Question type: Maintenance & Repair

OK so about a month ago I had to replace a
water pump after it went out.  After fixing it,
and diving home I noticed I cracked
transmission to radiator line.  It was bad
enough that on the way home it went into
fail safe mode.  I fixed that.  But now the
speedometer will sometime act weird.  It
will jump around, stop reading or say I'm
going way too fast for what it feels like I'm
going.  It will then run rough after about 30
minutes of driving while the speedo is
doing this.  And before that the
transmission will go into fail safe mode.

If it does this the battery is dead even if I
get to where I'm going an shut it off.  Once I
jump it.  It will drive fine for a few days.  
Sometimes longer than others.  I notice
when it did it this time there was a lot of
moisture in the air this morning.  Usually I'll
be able to get to work before it's done.  
Today I had to tow it home.

Anyways.  Is this electrical?  Did I nick a
wire some where and it shorting out?  I've
replaced the battery.  The alternator works.
The ccheck engine light will come on and
off.  Sometimes it will stay off.  I have no
clue where to look for the problem.  

It has a new fuel filter.  Not even a year old.

It's a 4.3 TBI, 2wd.  If that helps.  Any ideas
would be great.

2 Answers

18,525

The trans doesn't go into fail safe mode (stays in 3rd gear) for a bad cooler line causing low fluid. It's gonna be something electrical. Just to make sure, what is it doing in "fail safe" mode?

Well it usually does it after I've driven it for about 15-20 minutes. Before that it will drive like it has no problems what so ever. Then the speedometer will bounce around regardless of the speed I'm doing. When it does stay in 3rd gear. It stays in it even if I stop at a red light. I've been told the 4L60E uses a speed sensor for shifting. But it's not all the time. I could jump it, and it will drive fine for a day or more. Then it will act up. I've noticed if there is a lot of dew on my truck in the morning it will act up.

Your Answer

Add photo

Related Questions

  • Is it electrical? 2 answers

    OK so about a month ago I had to replace a water pump after it went out. After fixing it, and diving home I noticed I cracked transmission to radiator line. It was bad enough that on the way hom...

    1994 Chevrolet S-10

    -

    Maintenance & Repair

  • electrical 2 answers

    My girl friend hooked up jumper cables backwards to try to start her 89chevy s-10 which has the4.3 liter engine. Now every thing is totally dead no power to anything. Could you please help me?

    1989 Chevrolet S-10 STD Extended Cab SB

    -

    Maintenance & Repair

  • What is that ground to? Where is It Supposed to Lead? What all Does it Ground out? 2 answers

    I have a ground wire hanging loose from the rear driver side frame rail near the fuel tank of my 1988 Chevy S10 Standard Cab 4x4 2.8 L V6 and can not find the other end to reconnect the two ends of ...

    1988 Chevrolet S-10 Tahoe Standard Cab 4WD SB

    -

    Maintenance & Repair

  • alternator is not charging battery. i had it tested and it tests good. 13 answers

    I have a 2003 S10 with a Vortec V6. I was driving on the hiway when the battery light came on and the truck quit. I put a new battery in and noticed that the volt meter was showing that the battery ...

    2003 Chevrolet S-10

    -

    Maintenance & Repair

  • is it dangerous to drive 5 days until repair parts arrive 6 answers

    3 days ago variable humming started from back of my Chevy S-10. At low speed the hum is low pitched, at higher speed, pitch becomes higher also. Mechanic said it is not wheel bearings but moving parts...

    1998 Chevrolet S-10 2 Dr STD Standard Cab SB

    -

    Maintenance & Repair

Search Chevrolet S-10 Questions

Chevrolet S-10 Experts

#1 Andrew Olsen
Andrew Olsen
Reputation 2,340
#2 John Saffrahn
John Saffrahn
Reputation 990
#2 Trebor66
Trebor66
Reputation 990
View All

Related Models For Sale

Used Ford Ranger
45 Great Deals out of 295 listings starting at $2,500
Used Toyota Tacoma
15 Great Deals out of 826 listings starting at $10,500
Used Ford F-150
304 Great Deals out of 8,874 listings starting at $1,600
Used GMC Sonoma
5 listings starting at $2,995
Used Dodge Dakota
10 Great Deals out of 170 listings starting at $1,600
Used Dodge Ram 1500
68 Great Deals out of 545 listings starting at $2,985
Used GMC Sierra 1500
158 Great Deals out of 7,843 listings starting at $3,333
Used Chevrolet Camaro
848 listings starting at $8,995

Used Cars For Sale

2002 Chevrolet S-10 For Sale
4 listings starting at $5,900

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.