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03-20-2013, 11:02 PM
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#1 |
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Registered User
Join Date: Mar 2012
Location: edgartown mass
Posts: 852
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no power?
ok so i got a 97 blazer with the v6 and it had a new motor put in as it spun a baring. now 500miles later you can start it it will idel but you can not get it in gear or rev it up as it wil stall. the cheack light is on. have not scand it yet. this truck does have the smart start as my brother has to have it do to dui. any help plz lol
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1986 c20 "the hillbilly" 350 sm465 3.42gears 21mpg at 70mph 1985 k30 "the ice cream truck from hell" no rust az truck 197-8??? c30 "ramp truck" 454 1978 monte carlo 350 350th with 2.73 gears. no rust. sc car |
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03-21-2013, 06:25 PM
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#2 |
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Senior Member
Join Date: Jul 2006
Location: Blountville, Tn.
Posts: 3,904
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Re: no power?
It would be better if you could post up the codes. Also I'm not sure exactly how those smart starts work. Do they not allow the vehicle to start, or does it not allow it to rev, or go in gear
 ? Not going in gear, Without the Smart start, I would look at the brake switch, that kicks out the shifter release. (I assume its an automatic trans?) As for the not reving, I would check fuel pressure, and codes. might have a bad throttle position sensor. Get the codes,a nd check back, maybe someone else can chime in also.
__________________
*We could learn a lot from crayons... Some are sharp; some are pretty;and some are dull. Some have weird names; and all are different colours;but they all have to live in the same box. * You may be only one person in the world, But you may also be the world to one person. * Some mistakes are too much fun to only make once. Two rules in life. 1. Never sweat the small stuff! 2. Everything is small stuff! |
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03-22-2013, 06:14 PM
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#3 |
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Registered User
Join Date: Mar 2012
Location: edgartown mass
Posts: 852
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Re: no power?
ok got the codes. 1. p0121 2. p0141 3.p0146 4. p0462
now the ? becoams what is comen between all of them. as far as the smart start only stops it from starting not going into gear. thnaks. mike
__________________
1986 c20 "the hillbilly" 350 sm465 3.42gears 21mpg at 70mph 1985 k30 "the ice cream truck from hell" no rust az truck 197-8??? c30 "ramp truck" 454 1978 monte carlo 350 350th with 2.73 gears. no rust. sc car |
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03-22-2013, 06:30 PM
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#4 |
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Senior Member
Join Date: Jul 2006
Location: Blountville, Tn.
Posts: 3,904
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Re: no power?
P0121 throttle position sensor p0141 rear oxy sensor. p0146 also ox sensor, not active. p0462 fuel level sensor circuit.
Makesure the connections to the PCM are clean and not corroded. check all the battery connections for the same thing.,corrision.
__________________
*We could learn a lot from crayons... Some are sharp; some are pretty;and some are dull. Some have weird names; and all are different colours;but they all have to live in the same box. * You may be only one person in the world, But you may also be the world to one person. * Some mistakes are too much fun to only make once. Two rules in life. 1. Never sweat the small stuff! 2. Everything is small stuff! |
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03-22-2013, 06:50 PM
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#5 |
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Registered User
Join Date: Mar 2012
Location: edgartown mass
Posts: 852
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Re: no power?
ok so you are thinking that it is the feed to the ecu? i will check them and make shure they are good. the batt and alt are new also. thanks, mike
__________________
1986 c20 "the hillbilly" 350 sm465 3.42gears 21mpg at 70mph 1985 k30 "the ice cream truck from hell" no rust az truck 197-8??? c30 "ramp truck" 454 1978 monte carlo 350 350th with 2.73 gears. no rust. sc car |
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03-22-2013, 11:12 PM
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#6 |
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Senior Member
Join Date: Jul 2006
Location: Blountville, Tn.
Posts: 3,904
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Re: no power?
Well, I'm just giving you idea as to where to start. for me, it hard to diagnosis one over the net. There are ways to check to see if your TPS is bad with digital volt meter. Check fuel pressure, the FP should be above 50psi. Your best bet would be find someone with a scanner. and knows how to use it.
Heck it could be as easy as swapping the fuel filter. FP is everything on these motors. checking FP can help verify that.
__________________
*We could learn a lot from crayons... Some are sharp; some are pretty;and some are dull. Some have weird names; and all are different colours;but they all have to live in the same box. * You may be only one person in the world, But you may also be the world to one person. * Some mistakes are too much fun to only make once. Two rules in life. 1. Never sweat the small stuff! 2. Everything is small stuff! |
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03-23-2013, 06:14 PM
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#7 |
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Registered User
Join Date: Mar 2012
Location: edgartown mass
Posts: 852
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Re: no power?
Ok tiday I scand it and she is running......but... Wont idel less the 2k abd the scaner is not seeing any of the sebsor info. But will read the codes and clear then fine. This is not my first time with a scaner but its been some time. Checked all connentions seem ok.
Posted via Mobile Device
__________________
1986 c20 "the hillbilly" 350 sm465 3.42gears 21mpg at 70mph 1985 k30 "the ice cream truck from hell" no rust az truck 197-8??? c30 "ramp truck" 454 1978 monte carlo 350 350th with 2.73 gears. no rust. sc car |
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03-24-2013, 08:48 PM
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#8 |
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Registered User
Join Date: Mar 2012
Location: edgartown mass
Posts: 852
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Re: no power?
Ok today we moved foward. It is talking to the scaner. Everything seems to work and read where and how it should but the tps. 38% with no input. So it is idleaing around 1100rpm.
So thinking it is just that but she still dont shift where she should. Will shift when u lift off throttle. Seems wierd Posted via Mobile Device
__________________
1986 c20 "the hillbilly" 350 sm465 3.42gears 21mpg at 70mph 1985 k30 "the ice cream truck from hell" no rust az truck 197-8??? c30 "ramp truck" 454 1978 monte carlo 350 350th with 2.73 gears. no rust. sc car |
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03-27-2013, 04:48 PM
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#9 |
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Registered User
Join Date: Mar 2012
Location: edgartown mass
Posts: 852
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Re: no power?
anyone want ti through something out there???
__________________
1986 c20 "the hillbilly" 350 sm465 3.42gears 21mpg at 70mph 1985 k30 "the ice cream truck from hell" no rust az truck 197-8??? c30 "ramp truck" 454 1978 monte carlo 350 350th with 2.73 gears. no rust. sc car |
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