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1995 Chevy S-10 Blazer (stay running )

Tiny
EVILCHILD
  • MEMBER
  • 1995 CHEVROLET TRUCK
I have a 95 S10 Blazer which just had new motor put in
been runing fine- then wouldn't start even when trying
starting fluid, seemed like there was no spark jumping
could this be coil related? After car sat for a while
it eventually started (having spark) at this time.
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Wednesday, February 21st, 2007 AT 12:40 PM

24 Replies

Tiny
CHEVY22
  • MECHANIC
  • 1,375 POSTS
You say its running fine now?
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Wednesday, February 21st, 2007 AT 12:53 PM
Tiny
EVILCHILD
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  • 13 POSTS
As of right now its running, but if I drive for awhile and shut off seems to be hard to start or wont start, for hours
somtimes days
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Wednesday, February 21st, 2007 AT 12:58 PM
Tiny
CHEVY22
  • MECHANIC
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When it does not start check the normal stuff, fuel pressure, spark, really need some readings on this stuff to go any further if you can

thanks
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Wednesday, February 21st, 2007 AT 1:06 PM
Tiny
EVILCHILD
  • MEMBER
  • 13 POSTS
I had already replaced fuel pump/filter/spider(under intake) fuel preasure is about 65 + everything fuel
wise is good. It seems like spark problem, this had just started when weather got colder
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Wednesday, February 21st, 2007 AT 1:14 PM
Tiny
CHEVY22
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65 psi is a little high 55-61 is spec was the reglator replaced with the spider?
When it happens again pull the coil wire from the dist cap and check there, there are several components to the system that need to be checked, crank and cam sensor input especially, they both determine whether or not to fire the coil
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Wednesday, February 21st, 2007 AT 1:21 PM
Tiny
EVILCHILD
  • MEMBER
  • 13 POSTS
Yes the regulater was replaced w/spider
as of just now, I went to start blazer and it started, and
stayed runing after 4th try (but there was hesitation/ like
not enough spark ) wanted to shut down, kept feathering fuel pedal, till ran smooth.
--mislead info-- fuel presure was aprox, 58-62 #
sorry
as of now running, but after shut down, have same problem geting started
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Wednesday, February 21st, 2007 AT 1:35 PM
Tiny
CHEVY22
  • MECHANIC
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Ok now were gettin somewhere, feathering the pedal, is the check eng light on or has it come on when this happens at all, I am starting to suspect other things
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Wednesday, February 21st, 2007 AT 1:43 PM
Tiny
EVILCHILD
  • MEMBER
  • 13 POSTS
Yes the check engine light is on,
the engine light has been on for a while now
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Wednesday, February 21st, 2007 AT 1:47 PM
Tiny
CHEVY22
  • MECHANIC
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Ok thats what I was looking for, can you get the codes read? All I need is the code no info and we will try and get you fixed
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Wednesday, February 21st, 2007 AT 1:52 PM
Tiny
EVILCHILD
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Yes I can get codes/and, or #s
this will take me a day to do, but yes I can
I will be back in touch with you asap
thanx, talk to ya soon
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Wednesday, February 21st, 2007 AT 1:58 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Try the coollant temperature sensor this one tells the computer how much fuel is needed during initial start before it goes to closed loop at which time the O2 sensor will adjust fuel accordingly.
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Wednesday, February 21st, 2007 AT 2:05 PM
Tiny
EVILCHILD
  • MEMBER
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Thanks for help, will be intouch in a day
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Wednesday, February 21st, 2007 AT 2:17 PM
Tiny
EVILCHILD
  • MEMBER
  • 13 POSTS
Well I finally got the thing runing, but now it stalls-shuts
down while driving for a short period of time.
Then it has to sit for while before starting up
i just rechecked every/& all fuel lines/fuses/circuits/relays/
vacum lines/ you name it!
Any Ideas why it stalls/shuts down while driving?
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Monday, March 12th, 2007 AT 10:22 PM
Tiny
CHEVY22
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Did you ever have the codes read?
Jim
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Monday, March 12th, 2007 AT 10:31 PM
Tiny
EVILCHILD
  • MEMBER
  • 13 POSTS
Yes a scanner was put on it, all that came up was
misfire-(egr. Evap. ) Said ok to drive
cleared all codes and went to drive it, but started to
bog down and then shut off, got it runing again, but same thing (bog down then shut off ) Ieven went as far as
droping tank today (draining fuel) rechecking pump
everything fuelpump wise OK!
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Monday, March 12th, 2007 AT 10:39 PM
Tiny
CHEVY22
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The misfire code and egr would cause those problems, if you know the code #s I can help you in checking them before replacing
Jim
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Monday, March 12th, 2007 AT 10:46 PM
Tiny
RASMATAZ
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To catch this culprit-you have to check for fuel and spark when it stalls out and I mean immediately.
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Monday, March 12th, 2007 AT 10:52 PM
Tiny
EVILCHILD
  • MEMBER
  • 13 POSTS
I'll have to get scanner tomorrow from brother-in-law
then should be able to get codes if any.
I have another question for you, it says that while car is
running to disconnect fuel pump relay to see if it is ok,
is it true that when this is done, and the car shuts off
it means that the oil pressure switch is faulty
is that true
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Monday, March 12th, 2007 AT 10:54 PM
Tiny
EVILCHILD
  • MEMBER
  • 13 POSTS
The reason I'm asking about this relay, would that
have anything to do with car shutdown
(oil Pressure switch) being faulty?
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Monday, March 12th, 2007 AT 10:56 PM
Tiny
RASMATAZ
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The oil pressure switch is the back up for the fuel pump relay if it goes. Its true
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Monday, March 12th, 2007 AT 11:01 PM

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