Out of ideas, someone save me please
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RE: Out of ideas, someone save me please - 12/8/2007 6:04:45 PM
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Blazin_Jason
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From: Van Isl, B.C.
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One thing to check might be the coolant temp sensor for the ecm. There are ways to test them I believe, but I'm not too sure. Does your temp gauge work? Maybe the thermostat is stuck open. Also might want to try a seafoam on it.
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85 S10 Blazer 4x4, 2 door, undergoing 350 swap, 3" BL, 33''''s
89 Jimmy 4x4, 2 door, 4.3/auto
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RE: Out of ideas, someone save me please - 12/8/2007 6:21:58 PM
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Outsydr
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temp gauge works never seen it go higher than 200 and thats the one thing i forgot in my first post i did grab a can of sea foam while out lookin for fuel pressure tester and dumped that in my gas tank hopin that would help.
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RE: Out of ideas, someone save me please - 12/8/2007 8:16:30 PM
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Blazin_Jason
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From: Van Isl, B.C.
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I would get another can and suck it in through the brake booster hose. Also you could have a plugged cat. I've read that those can cause major issues.
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85 S10 Blazer 4x4, 2 door, undergoing 350 swap, 3" BL, 33''''s
89 Jimmy 4x4, 2 door, 4.3/auto
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RE: Out of ideas, someone save me please - 12/9/2007 7:28:59 AM
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Hanr3
Wheels & Tire Moderator
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Disconnect your O2 sensors and see if that changes your mpg.
One other thing is vacuum, check all your vacuum lines.
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"Some people spend an entire lifetime wondering if they made a difference.
The Marines don't have that problem."
-President Ronald Reagan
'87 S10-Blazer - SOLD
'93 S10-Blazer 4x4x4 - Sons DD, engine swap is done.
'00 S10-Blazer 4x4x4 - My
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RE: Out of ideas, someone save me please - 12/9/2007 9:09:12 AM
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Outsydr
Posts: 166
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well I dunno what happened but as I said last night put some sea foam in the gas tank but it was late so just drove home so today I go out and take it for a ride to burn up some fuel and get that sea foam through the system, anyways I come home shut it off and now it wont even rotate, turns about 1/8 inch then stops and returns to where it started from, tried removing the serpentine belt in case the power steering pump or some other stupid thing locked up but it just does the same thing. This thing only has 128,000 miles on it and oil is still full and no water in it, radiator is also still full.
< Message edited by Outsydr -- 12/9/2007 9:12:39 AM >
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RE: Out of ideas, someone save me please - 12/9/2007 9:34:27 AM
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Hanr3
Wheels & Tire Moderator
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Could be starter, or it could be a loose battery connection, or bad battery. Most autoparts stores wil check them for free, and can be checked while in the vehicel, or out. You just ahve to get them there.
_____________________________
"Some people spend an entire lifetime wondering if they made a difference.
The Marines don't have that problem."
-President Ronald Reagan
'87 S10-Blazer - SOLD
'93 S10-Blazer 4x4x4 - Sons DD, engine swap is done.
'00 S10-Blazer 4x4x4 - My
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RE: Out of ideas, someone save me please - 12/9/2007 10:39:28 AM
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Outsydr
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yeah I thought about the starter too (it has once or twice just spun without engaging first thing in the morning) so omw out to clear a spot and beg my brother to come help me push it inside the garage /rude freezing rain and uphill sloped driveways atm will let you all know what I find out and thanks again for the replies, it is much appreciated.
Ryck
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http://www.cardomain.com/ride/3199026
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RE: Out of ideas, someone save me please - 12/10/2007 5:50:25 PM
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Outsydr
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well starter and battery both tested no problems there, put em back on turned headlights on and hit the key, lights stay on (dim slightly of course) but otherwise same thing so any other ideas?
as always all help/advice greatly appreciated
Ryck
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http://www.cardomain.com/ride/3199026
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RE: Out of ideas, someone save me please - 12/10/2007 7:42:52 PM
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Outsydr
Posts: 166
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Ooooook me and a buddy just tried to turn the engine over by hand with 2 of us standing on the breaker bar (combined weight roughly 500 lbs.) it won't budge =/ so guess im looking for a decent boneyard replacement 4.3 vortec to get me back and forth to work while I rebuild this one. Oh man summit racing gonna looove me they havent seen me since I finished the oldsmobile toy.
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RE: Out of ideas, someone save me please - 12/11/2007 9:07:13 AM
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junkmonkey
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Joined: 11/30/2006
From: Rochester, NY
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Sorry to hear that the Blazer has seized up, but in reading your posts of terrible gas mileage, I'm surprised no one mentioned that you could have a faulty/failed/ruptured Fuel pressure regulator. Take a peek into the upper intake plenum (through the throttle body hole, with a mini-maglite you can see if one side is clean and the other side is sludged up, then the FPR is leaking. Replacing the fpr usually restores the fuel mileage to a better number than 7 mpg. The Blazer, while not a stellar performer in the mpg range, 18 to 21 mpg's should not be unrealistic. I'm getting just shy of 20 mpg's out of my '96.
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1996 LT Blazer 4x4 - 112,000 miles and still going
Old enough to know better, but still willing to try!
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RE: Out of ideas, someone save me please - 12/11/2007 9:33:26 AM
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Outsydr
Posts: 166
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well it's a bit more than I had expected but I found another 4.3 vortec with only 67,000 miles it $900 still a bit cheaper and faster than a fresh rebuild tho (plan to rebuild mine and swap em out when its finished and a little warmer outside). Will keep you all posted on progress.
Ryck
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http://www.cardomain.com/ride/3199026
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RE: Out of ideas, someone save me please - 12/11/2007 3:34:35 PM
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Hanr3
Wheels & Tire Moderator
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Before you go dropping coin on that engine....
Do you smell gas in the oil?
Hows your oil level, too full?
If your FPR is dumping fuel it will stop your engine from cranking over. Liquids dont compress. Took me almost a week to figure that out. Teh parts store had the wrong FPR in the box. The box was correct, it just ahd the wrong part in it. It was dumping gas big time and locked my engine up. I could spin it by hand, after the gas drained into the oil pan.
A new FPR is like $70.
_____________________________
"Some people spend an entire lifetime wondering if they made a difference.
The Marines don't have that problem."
-President Ronald Reagan
'87 S10-Blazer - SOLD
'93 S10-Blazer 4x4x4 - Sons DD, engine swap is done.
'00 S10-Blazer 4x4x4 - My
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RE: Out of ideas, someone save me please - 12/11/2007 4:28:21 PM
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Outsydr
Posts: 166
Joined: 5/13/2007
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quote:
ORIGINAL: Hanr3
Do you smell gas in the oil?
Hows your oil level, too full?
A new FPR is like $70.
Thanks alot yes the oil does smell a bit like gas and yes it was a little over full will try this first (worst case i put the new fpr on the engine I have to buy if it doesnt fix this one) won't have time til this weekend but will let ya know how it works out, thanks again for the heads up much appreciated.
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