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code 33 even after all this!?

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Old Nov 5, 2003 | 12:53 AM
  #1  
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From: northern va
Car: 87 iroc
Engine: L98 350
Transmission: 700R4
code 33 even after all this!?

Alright got the 33. So I ordered the wells MAF because I was planing to anyway. I had the relays replaced too. And STILL I get the 33. Any ideas what I should try now?
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Old Nov 5, 2003 | 01:19 AM
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From: sweden
Car: GTA -89
Engine: Blown 415"
Transmission: 4L80E
Axle/Gears: Strange 12-bolt
Check your TPS and make sure the output signal from it doesnt "jump/dive" as you turn the blades..........
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Old Nov 5, 2003 | 01:43 AM
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Did you disconnect the battery and clear the codes in the computer?

The Trickster!!!!!!!!!!!!!!
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Old Nov 5, 2003 | 02:18 AM
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From: avondale, az
Car: 86 IROC-Z
Engine: 406
Transmission: 700R4
u beat me to it. i remember i had a few codes.. knew the problem was fixed..but couldnt get y they still showed up.. then i remembered to disconnect the battery
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Old Nov 5, 2003 | 02:20 PM
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From: northern va
Car: 87 iroc
Engine: L98 350
Transmission: 700R4
Yea I did disconnect the battery for a good half hour.
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Old Nov 6, 2003 | 09:55 PM
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From: northern va
Car: 87 iroc
Engine: L98 350
Transmission: 700R4
Anyone? The car starts up and runs ok for a bit and then the SES light comes on and it runs like it has a misfire almost. Please help car is undrivable and I lack the funds to take it somewhere.
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Old Nov 8, 2003 | 12:44 AM
  #7  
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From: sweden
Car: GTA -89
Engine: Blown 415"
Transmission: 4L80E
Axle/Gears: Strange 12-bolt
Do you have a laptop?

yes- make your own interface cable and download craig moates software and scan the car.

no- buy one....you only need a simple DOS one for running craigs software......
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Old Nov 14, 2003 | 03:39 PM
  #8  
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From: northern va
Car: 87 iroc
Engine: L98 350
Transmission: 700R4
ARG!!!!! I need help badly. Took the car in to have the fusable link going to the ECM replaced and that didnt clear up the codes at all. Had them hook it up to a scanner and see if they could figure anything out and they came up with nothing. I'm getting really sick of bumming rides to and from work anyone in the northern virginia area thats good with MAFs and troubleshooting that feels like taking a look at it shoot me a PM. Anyone with any thoughts please share...
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Old Nov 14, 2003 | 03:49 PM
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From: Ft Worth, TX USA
Car: 2016 Ram 1500
Engine: 3.0L Diesel
Transmission: 8sp
vacuum leak could do this.
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Old Nov 14, 2003 | 04:12 PM
  #10  
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From: northern va
Car: 87 iroc
Engine: L98 350
Transmission: 700R4
how do i test for a vacumm leak?
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Old Nov 14, 2003 | 04:29 PM
  #11  
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From: Ft Worth, TX USA
Car: 2016 Ram 1500
Engine: 3.0L Diesel
Transmission: 8sp
well, you cant really "test" for one but you can visually inspect the vacuum hoses around the engine. if your engine isnt too noisy you can also hear them -- they tend to hiss.
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Old Nov 14, 2003 | 05:39 PM
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From: northern va
Car: 87 iroc
Engine: L98 350
Transmission: 700R4
no obvious vacum leaks then, I've looked and listened.
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Old Nov 14, 2003 | 05:41 PM
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From: northern va
Car: 87 iroc
Engine: L98 350
Transmission: 700R4
I'm kind of stuck and it sucks, I've taken it to two local mechanics and they must just plain suck or they don't care enough or something. I wonder what they would do if it was their car? Probly try harder to find the problem. I did what I could so I took it to an "expert" and was let down, twice now. Dunno what to do.
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Old Nov 14, 2003 | 05:48 PM
  #14  
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From: northern va
Car: 87 iroc
Engine: L98 350
Transmission: 700R4
I'm under the impression you only have to disconnect the negative terminal to clear the codes correct? Or am I mistaken and you have to disconnect both? I disconnected the negative for a half hour.
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Old Nov 14, 2003 | 06:06 PM
  #15  
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
You only have to disconnect the positive cable from the battery.

The Trickster!!!!!!!!!!!!!!!
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Old Nov 15, 2003 | 03:25 AM
  #16  
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From: northern va
Car: 87 iroc
Engine: L98 350
Transmission: 700R4
Well now I feel like a horses you know what, but I tried that now too to no avail.
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Old Nov 15, 2003 | 09:45 AM
  #17  
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From: Now Back in Texas, Tikrit, IRAQ
Hey
I know that you said that the relay(s) were replaced. Did you replace one or two. If one relay was replaced, there is a chance that you replaced the wrong one. On my IROC the MAF relay is right next to another relay that is same style/type as the MAF relay. When I had a code 34 I replaced the wrong relay and I thought it was the MAF one.
Just a idea.
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Old Nov 15, 2003 | 10:13 AM
  #18  
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From: Adrian, Mi, USA
Car: 1988 Pontiac Firebird Formula
Engine: 5.7 TPI
Transmission: 700R4
Yes, there are three relays in that area, one for maf power, one for maf burnoff, and a third for the fuel pump. I am not 100% certain, but, I think all three of these are the same, real easy to grab the wrong one...... (I haven't had to play with these for a while.... so, I just dont remember....)
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Old Nov 15, 2003 | 11:51 AM
  #19  
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
The MAF relay and the MAF Burn-off relay are the same, the fuel pump relay is different. Rounded edges versus square edges.

The Trickster!!!!!!!!!!!!!
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Old Nov 15, 2003 | 12:37 PM
  #20  
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From: vacaville,ca
Car: 1988 camaro z28,1997 camaro lt1
Engine: 355 afr 195 heads,tpis big mouth
Transmission: 700r-4 built by me 3-4 z pack
Axle/Gears: 3.42
check the maf plug.becaues sometimes the plug gets damaged.or ecm could be bad.install a friends ecm and see the happens.

Last edited by antoine; Nov 15, 2003 at 12:42 PM.
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Old Nov 16, 2003 | 02:57 AM
  #21  
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From: northern va
Car: 87 iroc
Engine: L98 350
Transmission: 700R4
both replays were replaced.. all plugs have been taken out inspected and reseated. Not sure about the ECM how would I test other than putting someone elses in as I have no friends with a car this cool (not true I have a friend with a 95 vette and another friend with a 98 'maro). At least not cool enough to have the same ECM as me.
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Old Nov 16, 2003 | 12:57 PM
  #22  
antoine's Avatar
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From: vacaville,ca
Car: 1988 camaro z28,1997 camaro lt1
Engine: 355 afr 195 heads,tpis big mouth
Transmission: 700r-4 built by me 3-4 z pack
Axle/Gears: 3.42
tap on ecm.
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