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  1. OBS_Trash

    New Addition 1971 C10 Farm Truck

    Well Fam, I acquired a 1971 Super Cheyenne. Looking for another Forum Recommend for anyone that dabbles in OBS and 71 style C10. I’ve wanted this truck since I was 12. What’s the best 71’ C10 Forum out there?? Guess now I’m “C10_Trash” too
  2. OBS_Trash

    MAF - Parts Cannon Story - Paying it Forward

    Update: Using my snazzy MAF Kill-Switch she runs great and doubles as a kill switch. "On" to start, any cruising over 60 i kill the MAF. Works Great! Now i can focus on my new addition. Purchased a 1971 C10 LWB Farm Truck, Guess i have to join another Forum....
  3. OBS_Trash

    Maf reading 2.5 g/s with engine OFF

    https://www.gmt400.com/threads/maf-parts-cannon-story-paying-it-forward.66441/ Here is the Long Version of this issue. End the end I replaced a ton of stuff. All in all it was and still is the MAF (3 total) , or how the VCM is reading it. But with all codes cleared, I can drive the truck much...
  4. OBS_Trash

    MAF - Parts Cannon Story - Paying it Forward

    I love everyone's enthusiasm, thanks Fam cuz im whipped. @454cid The app as awesome as it is, does not graph. I am in line for the Scan tool in this forum. I want to graph the fuel trims against each other with and without MAF, Annoying because i work at a chemical production plant and the DCS...
  5. OBS_Trash

    MAF - Parts Cannon Story - Paying it Forward

    Well y’all, I’m defeated. MAF connected runs with slight mis-fires counts on random cylinders. With out DashCommand I couldnt tell. Once she gets up to about 60mph backfires (kinda warm weather) previously cold weather no issues. No codes. When I unplug the MAF and she toggles to to Speed...
  6. OBS_Trash

    MAF - Parts Cannon Story - Paying it Forward

    @termite Havent yet, i replaced the one on the CrankShaft position just due to wear and tear. Easy and costless ill do the same here im sure. Thanks for mentioning it will have a MAF Code, I'm so blindly eager to get to the scanner, I'm sure i would have forgotten to clear it first, drive it let...
  7. OBS_Trash

    MAF - Parts Cannon Story - Paying it Forward

    Well, I thought she was fixed but no. On the way to work this morning as i started holding 60ish MPH, she starts backfiring again (Original issue before the first part ERG was replaced). I pulled over and unplugged the MAF and got back on the Highway. No Popping, no backfires. @someotherguy ...
  8. OBS_Trash

    Intermittent High Idle

    Your gauge could be reading different from the VCM is getting. Your dash temp gauge and the Ctemp sensor are 2 different items. The dash gauge element is on the driver side under exhaust manifold between C1 and C3 spark plugs. The CT Sensor for VCM is on the front of engine left of EGR Valve.
  9. OBS_Trash

    MAF - Parts Cannon Story - Paying it Forward

    @movietvet - Yes, I still plan too. Need the tools for that. I am trying to take good care of her since she does have 330,000 miles. Man these engines can run.
  10. OBS_Trash

    MAF - Parts Cannon Story - Paying it Forward

    Ok, well ****. Look at this So could be a few things that happened. Either the shop installed a faulty MAF or, They didn’t replace like they stated. Maybe the tech forgot or I don’t know. The one that was in looked dated. I am going to discuss this with the owner. She drives great again. And...
  11. OBS_Trash

    MAF - Parts Cannon Story - Paying it Forward

    I agree completely. What I meant is it wasn’t a $40 Amazon special, no it wasn’t the 180$ ACD, they didn’t stock it, it was a Duralast $111, which I guess I consider “good” not best or preferred. The scan tool showed it reading 11g/s not running. (Should read 2 g/s). So I played with wiring...
  12. OBS_Trash

    MAF - Parts Cannon Story - Paying it Forward

    Replaced all fuses before the last unplug , power to MAF is good (Signal 5v, Power 11.8v, ground good) Bought new grounding straps, all original but seemed ok. Cheap stuff so bought anyway. MAF - Bought the first one AutoZone good quality (returned it), as for the shop, don’t know what they put...
  13. OBS_Trash

    MAF - Parts Cannon Story - Paying it Forward

    1996 Chevy 5.7 300,000 High mile truck, nice truck, nothing crazy on mods, (long tube headers, straight pipe) sounds and looks great, lots of miles though. I clean up the interior, replaced carpet, new dash skin, basic tune up (plugs, wires, oil, air filter, etc) I Do a 4/6 drop with...
  14. OBS_Trash

    2024 Scan Tool / App Recco

    Thanks for the assist, I used the above VEEPEAK OBD Bluetooth paired with the Dash Command for $10, purchased the 96 PID for 10$ and it tells me everything from MAF g/s - Misfire counts each cylinder, timing, 02 sensor and much more. $50 total. Thanks again!
  15. OBS_Trash

    Maf reading 2.5 g/s with engine OFF

    1996-5.7 I’m chasing down a P0102 - Circuit Low Frequency, scan tool arrived today and using the great service Manuals from this group. Page 6E-518. Step 2/ Says engine running should be 2g/s, mine reads 10.2g/s, with engine off its reading 9.9g/s Has a new MAF, voltage checks out (5vSig...
  16. OBS_Trash

    2024 Scan Tool / App Recco

    What OBD connector tool do you use?
  17. OBS_Trash

    2024 Scan Tool / App Recco

    Found some old threads, as tech changes thinking I could get some newer info I’m looking for suggestions for an OBD2 Bluetooth to iOS app suggestion. I know Android has the Torque Pro that can give timing info, retard, etc. I’m looking for who is running iOS and what your setup is. I ordered...
  18. OBS_Trash

    Android vs iphone OBD2 bluetooth/wifi apps

    I’m looking into current options for BT OBD and a scantool app capable of reading timing and troubleshooting MaF issues. Does the Torque App (iOS) have this capability? I found this on Amazon
  19. OBS_Trash

    Famous Fuel Pressure

    Appreciate the feedback brother. Yeah she has a whole new Spider FI module, includes FPR. mistake was not upgrading to the improved style, I stuck with the poppet unknowingly. Shurkey learnt me on that one. But like I said, I’m taking a step back and starting with the current codes. Looking into...
  20. OBS_Trash

    Famous Fuel Pressure

    Yes sir, thanks much I downloaded both files , great info. Using it now Why Ike, whatever do you mean? (Tombstone) How would I USE a fuel pressure gauge incorrectly more over insist on it. I’m thinking you didn’t read the comments.(from your previous response) My first post stated I ran the GM...
  21. OBS_Trash

    1997 Chevy k1500

    I read each comment because I’m in similar shoes. Truck is running rich, I’ve got a P0102 and P0151. I’m starting over after launching a parts cannon since the mech shop couldn’t figure it out. Wishing I would have read more threads. But my truck has 330,000 miles so replacing parts isn’t a...
  22. OBS_Trash

    Famous Fuel Pressure

    Alrighty Then. I appreciate all the good responses and partial ass chew-in’s. New pump went in, drumroll…… She idles at 50#’s (you heard it here folks) Did not fix my air/fuel issue. So taking very much needed advise and stepping back before I replace the distributor. Going to start a new...
  23. OBS_Trash

    GMT400 - Community Scan Tool

    I’d like to get on the list as well, I would like to check/adjust timing. Bought a new distributor. Came across some old threads on using a Bluetooth adapter OBDII and various apps that can do the same thing. Looking for current recommendations (iOS)
  24. OBS_Trash

    Famous Fuel Pressure

    “Quick Diagnosis is a 97’ Chevy with Fuel Pressure Problems” by ScannerDanner Hands down the best Fuel Pressure troubleshooting video I come across. Appreciate all the feedback Fam! After watching this video with the other info I’ve had, I don’t think I’m going to get a confirmation on a solid...
  25. OBS_Trash

    Famous Fuel Pressure

    Well, that’s me driving it around the block with the gauge laying on my windshield. I’m going with…..Idle?

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