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Thread: 1993 GMC Sierra K1500
03-22-2010, 04:10 PM #1
1993 GMC Sierra K1500
Last week I got a 1993 GMC Sierra K1500 with a 5.7L 350 and have been working of fixing it up for my daily driver and it seems to run OK till I start going up hills then it acts like it starving for air( no power )... I changed the air filter... Put in a K&N in... It helped it some but still doest run like it should.... The engine was replaced a before I got it and the replacement engine has only 46,000 miles on it... I checked the timing it was set right... It has a new cap and button and wires.... I put in new plugs... I checked all the vacuum lines and there connected right and none broken all the wiring seems fine.... The check engine light is on and I get the code #35 ( idle air control sensor circuit fault ) would that cause this problem... Thanks...
03-22-2010, 04:45 PM #2
Anyone? LOL...My Toys
1993 GMC Sierra K1500 4X4 5.7L 350
1970 Triumph 650 Bonneville Chopper
03-22-2010, 04:54 PM #3
- Join Date
- Dec 2009
- calgary alberta
im no expert but have you checked the catylittic converter it might be clogged?
03-22-2010, 05:08 PM #4
There is an IAC sensor mounted on the pass side of the TBI.
$20 bucks to replace it, but you could remove it and clean it with TBI cleaner first to see if that would haelp.Pavement sucks... :grrrrrr:
1994 K1500 4x4 Ext. Cab
PCM chip and Xenon 8000k bulbs
350cu.in bored over .050"
balanced Crank, 10:1 compression
Flat top pistons,cam,ported heads
Option Racing Cold Air Intake
Holley Throttle Body Spacer
Accell Igition, 45kv coil
FloTech Headers, no CATs, dual exhuast
Goodyear Silent Armor A/T 305/70-16
Pioneer SupertunerIII CD USB Bluetooth
Kicker ZX200.2 ZX Amp
Kicker Audio COMP 10" Subwoofer
03-22-2010, 05:13 PM #5
03-22-2010, 08:22 PM #6
Well I cleaned it up and seemed to idle smoother... I took the battery wire off to reset the computer and now I get a error code 43 and 34.....
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