LT1-LT4 Modifications 1993-97 Gen II Small Block V8

95 z problems ..help please

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Old Aug 30, 2011 | 12:26 PM
  #1  
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Default 95 z problems ..help please

95 Z...Driving & car starting to loosing power, getting hot, low coolant
light came on & ses light came on & off. Found that the cat was clogged.

Gutted the cat & now the car has rough idle, low coolant light(level good)
getting hot, no fans & some power loss. Could this be O2 sensor or temp.
sensor that caused all of this? Any advise would be apreciated!
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Old Aug 30, 2011 | 12:28 PM
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First have the SES codes pulled. That should give you a good starting point.
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Old Aug 30, 2011 | 12:37 PM
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only problem is I live a ways out of town & don't have a scan tool & really not
sure if it can make it in town.Would you replace temp. sensor & O2 sensor first?
Don't think I can rent a scan tool. I'm open to any ideas,Thanks.
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Old Aug 30, 2011 | 01:38 PM
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Almost sounds like a blown head gasket.
Check your thermostat might be stuck, might have multi issues going on at once.
Check the codes!

Dont throw parts on it untill you find out what the problems are. Fix it right first time, or youll go broke trying to fix it.
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Old Aug 30, 2011 | 01:52 PM
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Sounds like HG to me mine did the same thing
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Old Aug 30, 2011 | 02:36 PM
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Really?? wouldn't it be blowing white smoke if it was the head
gasket? Just asking... not doubting you. what kind of $ are we talking
about?
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Old Aug 30, 2011 | 04:05 PM
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GO GET A SCANNER! Post#2 is your answer for now otherwise your pissing in the wind
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Old Aug 30, 2011 | 04:06 PM
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And when does a head gasket make the fans not come on??!? Hell that could be why it's heating up
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Old Aug 30, 2011 | 08:40 PM
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Well if it was a hg check for leaks...no leaks..deffinately get it scan tool on it, go talk to a shop maybe they can have someone come to you..if they're nice enough that is.
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Old Aug 31, 2011 | 09:31 AM
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checked last night no leaks, oil not milky.if I had to buy a scanner any ideas which
is good & reasonable & will it scan ls1's also? I did notice the liitle vacuum line w/blue
barb fitting is hanging down that was on the original air intake .not sure if that makes a
difference. Thanks
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Old Sep 1, 2011 | 09:00 PM
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95 is the odd year which has OBD I or OBD II connector.

After you scan it, i would do radiator pressure test.

Last edited by LT1; Sep 2, 2011 at 02:25 AM.
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Old Sep 2, 2011 | 12:58 PM
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Ok..thanks.
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