LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Bucking, random dying

Old Feb 17, 2011 | 09:35 AM
  #31  
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Re: Bucking, random dying

trust me its at red line now with key on and they wont come on..
Old Feb 17, 2011 | 10:26 AM
  #32  
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Re: Bucking, random dying

i jumped the relay box without relay and the fans came on so something from ecm to relay isn't working
Old Feb 17, 2011 | 10:30 AM
  #33  
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Re: Bucking, random dying

Sure you fixed the wires the right way for the Temp? (meaning, the wires aren't crossed, right?)
Old Feb 17, 2011 | 11:02 AM
  #34  
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Re: Bucking, random dying

yellow and blk only two wires but ill double check but no codes are present other than cooked o2 sensor right now
Old Feb 17, 2011 | 11:37 AM
  #35  
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Re: Bucking, random dying

also my fans wont come on with ses light for o2's and i have unplugged the temp sensor to ecm from wp and nothing
Old Feb 17, 2011 | 04:14 PM
  #36  
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Re: Bucking, random dying

fixed problem spliced into green wire and grounded it...now fans come on and off with ignition..

o2 plug didn't snap on all the way got that fixed...took it to one og my friends that has a bad *** 1500hp 98 camaro..he scanned it for me and said opti spark is crap...so that's the end of my camaro day's...although he said 500 parts/labor doesn't sound bad but this has been a headache from hell and it's bone stock lol..
Old Feb 17, 2011 | 11:00 PM
  #37  
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Re: Bucking, random dying

dude change it yourself... maybe 5 hours
if you can change a water pump you can do an opti!
I did it, I think even my wife could.
even got a life time warranty on the thing from o'rielys
Old Feb 18, 2011 | 01:05 AM
  #38  
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Re: Bucking, random dying

trust me i would if i was going to be home..leave out sunday for railroad and won't be backfor atleast 2 months...trust me i do my own wrenching..did it in the army and enjoy it still to this day...but i can't afford my wife/kids without transportation..my cj5/350 is reliable....till you run out of gas..lol! damn jeep gas gauges!..

anyway's from the three post's i have been apart of you all have been very helpfull and kind...
Old Feb 18, 2011 | 01:57 AM
  #39  
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Re: Bucking, random dying

good luck
Old Feb 18, 2011 | 08:28 AM
  #40  
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Re: Bucking, random dying

thefunny thing is after i finally got to drive the car a bit more after getting all codes cleared and right...it has yet acted up???i never liked speed density in my older foxbody mustangs i had..always had the same issues until i swapped over to mass air..weird
Old Feb 19, 2011 | 02:41 PM
  #41  
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Re: Bucking, random dying

ok update..i'd figured i'd look at the plug wires one more time...well #7 wire was burn"t

#8 was broke at boot and cut and black taped at cap
#6 was broke as well and smashed under power steering pump and i tugged on wire and it broke in half..
#2 is black taped and was cut by pulley from the way it was routed as well..so i'm sure #4 is the same...had to take a break heading back out and figure out wire alternator has two cut wires one is red with a spade and a broke male end on it broke off and then a black wire cut off some where...they appear to be in the loom with alternator plug..any clue on this?
Old Feb 21, 2011 | 03:25 AM
  #42  
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Re: Bucking, random dying

Well I put almost 140 miles on car since I replaced
plugs and made sure they were tight. Bought new plug
Wires and the car runs clean does not die. Buck fall its face or stumble

No codes. No super rich gases coming from exhaust. And temp stay's
At 190 all the time
Old Feb 21, 2011 | 06:47 AM
  #43  
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Re: Bucking, random dying

Originally Posted by grabbem88
Well I put almost 140 miles on car since I replaced
plugs and made sure they were tight. Bought new plug
Wires and the car runs clean does not die. Buck fall its face or stumble

No codes. No super rich gases coming from exhaust. And temp stay's
At 190 all the time
Glad you got it fixed.


This post is a great example of how people should check the basics before assuming some catasphopic failure. I see my nephews do the same thing....
Old Feb 21, 2011 | 07:34 PM
  #44  
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Re: Bucking, random dying

Very true although the iac and map sensor. Wasn't needed
The o2 were black. And icm and coil were original equipment


I admit I goofed on my steps and skipped a few as well
Old Mar 8, 2011 | 02:46 PM
  #45  
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Re: Bucking, random dying

update: wife drove it from st.louis,mo to shreveport,la...it was a 1200 mile round trip.

car never got hot with fans wired the way i have them..not one glitch what so ever.

it was getting 375 miles to a tank so i'm happy!..

the bad...the suspension has got to go!..lol

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