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02-08-2011, 01:54 PM | #1 |
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88-98 FAQ's "Is your truck running weird? Check here it could help"
Post your threads here for the new 88-98 FAQ post which will be a separate sticky when complete.
Please make sure that the pics are uploaded to this sites gallery when used here to ensure the URLs are still there later for when we are looking through this thread for help, Thanks. Last edited by scotts62; 02-13-2011 at 12:01 PM. |
02-08-2011, 05:14 PM | #2 |
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Re: 88-98 FAQ's
Ill add more when i find some good ones to help
High idle problems http://67-72chevytrucks.com/vboard/s...d.php?t=439984 EGR identification (thanks Chevytech) http://shbox.com/1/EGR_ID.jpg Last edited by scotts62; 02-09-2011 at 10:50 AM. |
02-09-2011, 11:21 AM | #3 |
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Re: 88-98 FAQ's
Scott – dig through these and see which ones you want.
I will work on this more later. Running Rich, or acts like no choke = Coolant sensor testing: http://67-72chevytrucks.com/vboard/s...d.php?t=322811 http://67-72chevytrucks.com/vboard/s...d.php?t=379142 *************************************** Tighten up Tilt column links; On C/K trucks in 1995 they went to a “new” style column. If your truck is a 1994 or older the following information should help. Here are some steering column sites with photos that tell how to repair loose tilt columns. The photos should be helpful. http://www.fieros.de/en/articles/steering.html http://elcaminocentral.com/article95.html Looks like on this site he did the quick fix and did not take it apart far enough to tighten all four fasteners. http://www.chevyasylum.com/column/tiltcol.html Exploded View of a tilt column. http://www.nastyz28.com/tech/e-tiltcol.html Older car but good photos http://buickperformance.com/tiltstee...lumnwobble.htm *********************************** Tilt column lock plate removal; http://67-72chevytrucks.com/vboard/s...ht=tilt+column ***************** Fuel pressure testing – split hose in tank: http://67-72chevytrucks.com/vboard/s...d.php?t=375132 ************************** Set timing wire connector for 1988- 1993 C/K pickup trucks illustration: http://67-72chevytrucks.com/vboard/a...1&d=1251120221
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For those of you that are wondering why you are not getting replies to your thread: Did you give the model, year, engine, fuel system type, and transmission information? If it is modified from what came stock from the factory, let us know that too. Last edited by scotts62; 02-09-2011 at 11:37 AM. |
02-09-2011, 01:04 PM | #4 |
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Re: 88-98 FAQ's
This is gonna be a great help to those who seek help, without asking "where, who, etc.," before doing a search for the help they need. There's a lot of information on here that people can access, if they will just take the time to utilize the already available resources.
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02-09-2011, 01:54 PM | #5 |
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Re: 88-98 FAQ's
How-To: 88-91 speedometer calibration 25085515 91' tach upgrade
Vortec SBC How To replace intake gaskets, set ignition timing, replace spider injectors... Wiring Diagrams..... wiring diagrams for 88 chevy wiring diagrams for 89 chevy wiring diagrams for 90 chevy wiring diagrams for 91 chevy wiring diagrams for 92 chevy wiring diagrams for 93 chevy Last edited by tommie; 05-23-2011 at 03:40 PM. |
02-09-2011, 02:37 PM | #6 | |
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Re: 88-98 FAQ's
Cleaning evap core for better a/c function
Edit: Also wanted to say that an 88-98 FAQ section is a terrific idea -- it seems like every day there's somebody with EGR/IAC/ECTsensor problems. The FAQ section should be subtitled "Is your truck running weird? Check here first!"
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- JB - '93 C1500 SHORT/FLEET SILVERADO, 350/4L60E Quote:
Last edited by jb1016; 02-09-2011 at 02:41 PM. |
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02-09-2011, 07:08 PM | #7 |
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Re: 88-98 FAQ's
1991 & later TBI V8 Oil pressure sending unit location, engine wiring & sensors illustration:
Also shows ground on back of passenger cylinder head. http://autorepair.about.com/library/...bl283a-lib.htm TBI V8 Knock sensor location photo from “PCMCOBRA”, from one of the truck boards. http://i114.photobucket.com/albums/n...010Small-1.jpg Dash Brake indicator on or blinking = RWAL problems Here are two of the better threads http://67-72chevytrucks.com/vboard/s...d.php?t=302690 http://67-72chevytrucks.com/vboard/s...d.php?t=399153 TBI parts & sensor photos EGR (Exhaust Gas Recirculation) valve EGR solenoid IAC (Idle Air Control) MAP (Manifold Absolute Pressure) sensor TPS (Throttle Position Sensor) All labeled in photo of 1993 Silverado: http://67-72chevytrucks.com/vboard/a...1&d=1278787232
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For those of you that are wondering why you are not getting replies to your thread: Did you give the model, year, engine, fuel system type, and transmission information? If it is modified from what came stock from the factory, let us know that too. Last edited by ChevyTech; 02-11-2011 at 02:34 PM. Reason: Add more |
02-09-2011, 08:58 PM | #8 |
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Re: 88-98 FAQ's
HOW TO: Manual locks and windows to power conversion
http://67-72chevytrucks.com/vboard/s...d.php?t=445732 |
02-10-2011, 09:39 PM | #9 |
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Re: 88-98 FAQ's
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"94 Suburban '89 Dually '00 Tahoe 88 shortbox Last edited by scotts62; 02-14-2011 at 09:31 AM. |
05-08-2011, 07:51 PM | #10 |
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Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"
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05-09-2011, 08:28 PM | #11 |
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Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"
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06-23-2011, 09:31 PM | #12 | |
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Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"
Quote:
FAQ seems limited (I think) 1988 GMC Sierra SLE 2500 ( Is this where I am supposed to post my inquiry?) Thanks |
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06-24-2011, 06:26 PM | #13 | |
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Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"
Quote:
A parts store would be the best place to find one i would think.. This part of the forum is just for posting FAQ's |
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06-24-2011, 06:35 PM | #14 | |
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Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"
Quote:
Link http://cgi.ebay.com/New-Part-WIPER-P...item3a66661054
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1971 Cheyenne C-10 w/700R4 and Tuned Port Injection 1969 K5 Blazer w/Tuned Port 2010 2SS/RS Flaming Orange Camaro 2011 K1500 Suburban 2014 K1500 Pickup 2008 Nissan Altima? The wifes' hoopty Last edited by red71cheyenne; 06-24-2011 at 06:40 PM. Reason: More info |
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08-02-2011, 10:18 PM | #15 |
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Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"
I didn't see this one posted about weird running, I thought I'd share what I learned from Chevytech:
If your TBI engine is acting like a bad fuel pump, or bad filter, almost stalling and then recovering, like it's almost running out of gas... check the little rubber hose in the gas tank, between the fuel pump and the steel fuel line, down in the tank. If it looks old at all, replace it. If it gets a pinhole it can make the truck act strange due to low fuel pressure. |
11-06-2011, 10:55 AM | #16 |
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Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"
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11-06-2011, 01:38 PM | #17 | |
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Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"
Quote:
WHO has the correct one? They claim it is for an '88, but they are wrong. |
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11-07-2011, 06:35 PM | #18 |
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Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"
My truck is a 1989, and this happened to it. I'd assume all the TBI trucks are set up very similar, so that would be from 1987-1994 if I remember right. It's inside the tank. It connects the fuel pump to the metal fuel line that goes to the engine, so you have to remove the tank (or remove the bed, that's what I did) and remove the fuel pump/sending unit module.
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11-07-2011, 10:29 PM | #19 |
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Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"
Post here for links of helpful info to share with others, if this thread does not answer your question about your truck please post it in the forums, thanks.
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01-18-2012, 11:33 AM | #20 |
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Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"
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01-19-2012, 09:53 AM | #21 |
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If you remove the distributor from a First Gen. Vortec engine
If you remove and replace the distributor in a generation I Vortec engine, it's correct position must be checked by scanning the cam retard number. According to GM it's referred to as the Camshaft Retard Offset Adjustment.
Here is the shop manual page for it. http://carphotos3.cardomain.com/imag...arge.jpg?modal The timing of a Vortec is not adjustable but the position of the distributor must be at a reference point of 0 degrees +- 2. This will have an effect on idle quality and fuel economy at least. We know without doubt that a Snap-on Solus, Solus-Pro and Modis will show the cam retard value. Others may, but I'm not aware of them. Just to let you know, mine was reinstalled without checking the cam retard going back as far as 2005. I was careful to reinstall it each of 3 times doing the intake gaskets. It never gave a code after the install. The last time a week ago after a complete rebuild, it was at -13*. Never had a code. Now here's one thing you won't read in any shop manual. Once I got it to 0, in no time it threw a code 1345. Let me repeat that. I was off for over 6 years and never threw a code. After I set it to 0, it threw a code. My recommendation comes from others that have experienced the same thing. Set it slightly negative. The spec is +-2 away from 0. Again I want to repeat for people using "google" looking for this information. If you remove and replace the distributor in a generation I Vortec engine, it must be checked by scanning the cam retard number. |
01-19-2012, 10:08 AM | #22 |
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Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"
Uh, and what years is a Generation 1 Vortec??
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01-19-2012, 10:13 AM | #23 |
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Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"
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01-24-2012, 07:16 AM | #24 |
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Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"
Actually the L31 was used in the following
1996–2003 Chevrolet Express/GMC Savana full-size vans 1996–1999 Chevrolet/GMC C/K full-size trucks 1996–1999 Chevrolet Suburban/GMC Suburban full-size long-wheelbase SUVs 1996–2000 Chevrolet Tahoe/GMC Yukon full-size short-wheelbase SUVs 1999–2000 Cadillac Escalade The basic block is still in limited production as a crate engine as several versions including the ramjet 350. |
02-04-2012, 09:20 PM | #25 |
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Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"
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