emissions

  1. R

    Vacuum lines for a 1990 K1500 305c.i.

    It seems there aren't any places (like there used to be) to buy exact fit hard vacuum lines for my pickup. I need to replace most of it, but especially the line that goes from the EGR control solenoid to the throttle body. The original line is a small hard line with enlarged rubber boots on the...
  2. BurgerBean

    1999 C2500 Vapor Purge Valve Hose

    Hello, this is my first post here and I am looking forward to engaging with the community! I have a 1999 C2500 that is OBS of course. I am doing the intake manifold gasket as I’ve got a decent size leak. I realize the previous owner taped up and has repaired the line as much as possible. I want...
  3. J

    Smog

    Hey all, Any recommendations for smog shops in the bay area, cali? Thanks
  4. L

    Valve cover hose can’t find it anywhere ?

    This is a valve cover hose on the driver side that connects to the throttle body and I cannot find it anywhere online? The hose dry rotted and I have tried gluing it lol… It’s beyond saving. How do I go about getting a replacement hose. (Image posted is for example but that is the hose I am...
  5. obsmorrison

    5.7L Engine Swap and CARB Compliance

    Hi Everyone. New member here. I recently acquired a 1997 K1500 with the 5.7L 350. Shortly after purchase, a shop discovered a head gasket leak so I've decided to just swap out the engine. Does anyone have experience with Colorado emissions testing after an engine swap? I'm looking at this ATK HP...
  6. INW-Iron-Steel

    Intermittent code 32 TBI

    Looking for some thoughts on the intermittent code 32 that my 93 k1500 suburban started throwing. It is so intermittent it has taken me several weeks to actually see what code was being triggered. The code never stays after restart, and is often on for only a few minutes. Then, I will go days...
  7. V2Linda

    Colorado Emissions *dramatic sound effects*

    First off, thank you for taking your time to look into this with me. For context, I've never had to do an emissions / smog test before since I've mainly lived in states where it was not necessary. With that being said, I'm in an unfortunate scenario but it's not all bad. I've failed my first...
  8. dasburb

    1997 K1500 5.7 suburban exhaust compatibility

    Hi everyone, I have a 1997 Suburban which has a vortec 5.7 and a style of exhaust which has two pipes that are separate leading into the muffler. It looks like the picture below What I'm wondering is if a slightly newer exhaust system from a 99' would be intercompatible AND allow for me to...
    • dasburb
    • Thread
    • 1997 4x4 5.7 5.7 vortec california compatibility emissions exhaust k1500 oxygen sensor
    • Replies: 20
    • Forum: Exhaust
  9. J

    High Idle - Rich Exhaust

    1989 CHEVROLET C3500 7.4l TBI Automatic Transmission Fuel Pressure: 11.5 psi Manifold Pressure: 18 hg Thermostat: 205° F Timing: 4° BTC Controlled Idle: 750 rpm/13 counts Minimum Idle Air Rate: 700 rpm TPS at Idle: 0.82 volts MAP: with-in ranges o2 Sensor: voltage high at idle (0.8-0.9v +/-)...
  10. 1994chevycheyenne

    Oregon DEQ Retest: Will the Truck Pass? New Catalytic Converter

    The truck is missing its catalytic converter. So, in this video we are going to go get a replacement catalytic converter for my 1994 Chevy c1500 from Keller Exhaust in Boring Oregon put on the truck and then go back to Oregon DEQ and retest.
  11. 1994chevycheyenne

    Oregon DEQ Test: Will my Chevy Truck Pass? - PLUS 7 Tips to Pass Your Emissions Test

    This is my 1994 Chevy Cheyenne C1500 with the 4.3L V6 engine. I need to take the Oregon DEQ test to get new tabs for the truck. So in this video we’re going to go over 7 Tips to Pass Your Emissions Test and then we’re going to take my truck to an Oregon DEQ testing station so I can take the test...

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