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About 04BlackMagic

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  1. Anybody??? Sent from my iPhone using Tapatalk
  2. 2005 Silverado 1500 5.3 LM7 Backstory: driving when all of a sudden engine shuts off and won’t restart. Towed home and was able to restart for a few seconds then stalls. No codes, no indications. Like flick of a switch What I’ve done so far: Fuel pump is good. Puts out continuous pressure of 55/60 psi Cleaned PCM main ground under drivers door Have strong spark 1/2 tank of fuel No codes Swapped mass air flow with known good one Dielectric greased PCM electrical connector Small single wire for engine ground is not loose nor cut in the back of engine bay Was able to have run for 10 minutes without any problems then it cut out Checked anti theft trough scan tool and everything is agreeing with each other Any advice? Thanks greatly appreciated Sent from my iPhone using Tapatalk
  3. Thanks everyone for the responses! Completely forgot my idea of plow until today when I had to snowblow my entire driveway lol Sent from my iPhone using Tapatalk
  4. Yes it is 100% legit I used it on 3 vehicles. Send them your vin and ask for a decode Sent from my iPhone using Tapatalk
  5. Just give your vin and ask for it to be decoded Sent from my iPhone using Tapatalk
  6. I used this email to decode my vin and all RPO codes. Completely free, comes straight from Chevrolet. Very good highly recommend! [email protected] Sent from my iPhone using Tapatalk
  7. Is manually downshifting going down a steep grade instead of using brakes in snowy/icy conditions damaging the fragile 4l60e transmission? I have been doing this downshifting a few times a day and began to think about negative affects if any? Also, is there a proper way to manually downshift with these trucks to avoid damage? Do I need to be going a certain speed in order to downshift to lower gears or just shift the lever down? Thanks Sent from my iPhone using Tapatalk
  8. Oh ok interesting. Didn’t know this. Thank you both! Sent from my iPhone using Tapatalk
  9. Hello all, 05 Silverado 1500 5.3 LM7 Automatic climate control CJ2 I believe Whenever I turn the heat on, I noticed that the compressor clutch kicks on. However, vents inside cab still blow hot for heat and cold when I switch it to AC. Anyone have same issue? Sent from my iPhone using Tapatalk
  10. A lean condition is when the engine is receiving too much air and not enough fuel. What causes a lean condition: vacuum leak on intake, cracked intake hose, bad B1 oxygen sensor, intake manifold gaskets bad, fuel pump not strong enough etc What specific codes does the truck have? Sent from my iPhone using Tapatalk
  11. Update: isolates oil leak to oil filter housing. Removed old oil filter(came off with o ring) and put on a new one pre filled with oil. Ran engine and saw oil slowly start to drip from top of oil filter housing. Anyone have any past experience in this location with a leak? Sent from my iPhone using Tapatalk
  12. 05 Tahoe 5.3 LM7 150,000 miles “Check engine oil level” came on on DIC about 2 weeks ago. I checked oil level but it was good. Thought it was oil level sensor cropping out and didn’t think it was big deal. Now yesterday I saw a puddle of engine oil where I park vehicle. Pulled dipstick today and NOTHING WAS ON DIPSTICK. However I pulled drain plug and 3.5 qts came out. Truck calls for 6 qts. Small puddle, but lots of oil lost within short amount of time. Do these engines have issues with oil consumption commonly? Thanks Sent from my iPhone using Tapatalk
  13. Problem was faulty B1 S1 oxygen sensor Replaced with OEM Denso sensor Cleared codes, no issues with engine, no misfires, exhaust smell and smoke went away Thanks to all who left responses!!! Sent from my iPhone using Tapatalk
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