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Author Topic: Can't figure it out!  (Read 29252 times)

Offline Layne

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Re: Can't figure it out!
« Reply #30 on: January 08, 2010, 04:21:52 pm »
Think I can clean the heck out of it? I'm really not in a position to get a new one till tax time. $90 is ridiculous! The one for my citation was $20.
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77 c-10 - 77 400 86 700r4 "Emmy"
83 citation - 2.5L Four on the Floor!
88 sierra - reman 350 700r4 "Eleanor"
All normal practicality and rational money handling goes out of the window when it comes to my truck.

Offline Jim Rockford

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Re: Can't figure it out!
« Reply #31 on: January 08, 2010, 09:00:10 pm »
unplug the coolant temp sensor  next to the thermostat. see how that does.
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1973 k20 Camper special
1980 k20 custom deluxe
2004 Crown Vic LX sport

Offline Layne

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Re: Can't figure it out!
« Reply #32 on: January 08, 2010, 09:06:49 pm »
That happened to my old s-10 twice. Made it run rich though- lots of black smoke, and I used to joke with my friends though town that it'd do 30 without touching the gas. I'll give that a shot though.
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77 c-10 - 77 400 86 700r4 "Emmy"
83 citation - 2.5L Four on the Floor!
88 sierra - reman 350 700r4 "Eleanor"
All normal practicality and rational money handling goes out of the window when it comes to my truck.

Offline VileZambonie

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Re: Can't figure it out!
« Reply #33 on: January 09, 2010, 03:08:01 pm »
You can try cleaning it and lubing the pintle. Unplugging the Coolant sensor will make it run rich and set a dtc.
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline k5blazerfan

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Re: Can't figure it out!
« Reply #34 on: January 09, 2010, 05:33:03 pm »
tpo much computer crap an garbage what happened to the good old days when all ya needed was a carb distributor and gas to make em go thats why i got rid of my glorified computer on wheels...  i got 2 screws that replaces 900 on sensors
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Don't forget the tow chain!!! Might have to tow a ford home! :)

Offline Layne

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Re: Can't figure it out!
« Reply #35 on: January 11, 2010, 05:15:25 pm »
K5- I know where you're coming from, man. Tbi is about my limit lol. It's sposed to be in the 30's this week, and I'll get that egr off and clean it. I can't get motivated if it's cold out. lol. What do you think, though? Hose it down with C&C cleaner, then PB it? I was reading around and it says not to clean these as it can be bad for the diaphragm.
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77 c-10 - 77 400 86 700r4 "Emmy"
83 citation - 2.5L Four on the Floor!
88 sierra - reman 350 700r4 "Eleanor"
All normal practicality and rational money handling goes out of the window when it comes to my truck.

Offline Layne

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Re: Can't figure it out!
« Reply #36 on: January 13, 2010, 09:44:57 pm »
It's not very dirty in there. I've cleaned the ports and I'm currently soaking the valve in C&C cleaner. There was no solid wall of carbon blocking something as I thought there would be. This truck has AIR. Would that be a concern?
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77 c-10 - 77 400 86 700r4 "Emmy"
83 citation - 2.5L Four on the Floor!
88 sierra - reman 350 700r4 "Eleanor"
All normal practicality and rational money handling goes out of the window when it comes to my truck.

Offline Layne

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Re: Can't figure it out!
« Reply #37 on: January 14, 2010, 06:22:08 pm »
Is there a way to raise the idle in a tbi??? I soaked the egr in cleaner for a whole day and it never died! Not even once. My concern is that I have the same problem, only it's minute compared to earlier. You can hear it chug, but you can't feel it anymore and as far as I care that's fine. It's seems that at a stop in drive, it'll run at 400, then when I gas it, it hesitates. I think if I can bump the idle up to 8-900 like it should be I wouldn't have a problem anymore. Any suggestions, guys?
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77 c-10 - 77 400 86 700r4 "Emmy"
83 citation - 2.5L Four on the Floor!
88 sierra - reman 350 700r4 "Eleanor"
All normal practicality and rational money handling goes out of the window when it comes to my truck.

Offline kurtdirt1

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Re: Can't figure it out!
« Reply #38 on: January 15, 2010, 10:05:20 pm »
You obviously got a problem man. Raising the idle really isn't the way to deal with it
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86 SWB 2wd Silverado Bone Stock

Offline VileZambonie

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Re: Can't figure it out!
« Reply #39 on: January 16, 2010, 10:53:45 am »
Don't mess with the idle. The IAC controls the idle speed. Check the TPS. Do you have a volt meter? If not unplug the tps and drive it. See what it does. Just remember to clear the DTC
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              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline Layne

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Re: Can't figure it out!
« Reply #40 on: January 16, 2010, 01:01:16 pm »
Sounds like I've got a violent cam in there... It was great till it got to closed loop (or open- forgot which one) then it'd drive, but as soon as I was off the gas, she was a shaking. Think we got it zeroed in on the tps?
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77 c-10 - 77 400 86 700r4 "Emmy"
83 citation - 2.5L Four on the Floor!
88 sierra - reman 350 700r4 "Eleanor"
All normal practicality and rational money handling goes out of the window when it comes to my truck.

Offline Layne

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Re: Can't figure it out!
« Reply #41 on: January 18, 2010, 11:55:45 am »
Got a new tps on! It's getting better... Now she'll stay at 600 for a minute, then it's like it gets confused and it'll bounce between 300-1000 before it settles down at 500 rpm. Do I have to adjust the tps???
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77 c-10 - 77 400 86 700r4 "Emmy"
83 citation - 2.5L Four on the Floor!
88 sierra - reman 350 700r4 "Eleanor"
All normal practicality and rational money handling goes out of the window when it comes to my truck.

Offline VileZambonie

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Re: Can't figure it out!
« Reply #42 on: January 18, 2010, 02:21:19 pm »
Yes .55V with the throttle closed. I hate seeing you throwing parts at it.
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,                           ___ 
                         /  _ _ _\_
              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline Layne

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Re: Can't figure it out!
« Reply #43 on: January 18, 2010, 02:26:42 pm »
Quote from: VileZambonie on January 18, 2010, 02:21:19 pm
I hate seeing you throwing parts at it.
That makes two of us. I've only got the MAP and the ECT :D... All the input I've gotten has been a step for the better, and I appreciate it. It doesn't die anymore which is good. One a side note, I went out of town today, and we did the whole whiplash chugging again. If I hold steady, it chugs then I'll blip the throttle and steady again, we're fine.
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77 c-10 - 77 400 86 700r4 "Emmy"
83 citation - 2.5L Four on the Floor!
88 sierra - reman 350 700r4 "Eleanor"
All normal practicality and rational money handling goes out of the window when it comes to my truck.

Offline Layne

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Re: Can't figure it out!
« Reply #44 on: January 18, 2010, 03:25:26 pm »
Vile, is that Key On Engine Off when I test the TPS? Got a fresh code for ya... 44. Why is my O2 reading lean? I was out in the garage a minute ago and I ran the truck; it was fine till it warmed up. Then it stumbled maybe 4 or 5 times, then it idled fine. Just out of the blue- stumble, Vroom, stumble, Vroom, ect, ect. Then all is good.
Logged
77 c-10 - 77 400 86 700r4 "Emmy"
83 citation - 2.5L Four on the Floor!
88 sierra - reman 350 700r4 "Eleanor"
All normal practicality and rational money handling goes out of the window when it comes to my truck.
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