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  1. redwing4900

    Ignition problem 98 Yukon SOLVED!

    Today I was finally able to put this problem to bed. Using the scan tool I set cam retard to 0 it was at +10 when the distributor cap bolt was touching the manifold. A few adjustments and the codes went away And final result was 0 Thankfully. I cleaned a couple of chassis grounds that connect to...
  2. redwing4900

    Ignition problem 98 Yukon SOLVED!

    I have a zr 11 scanner from harbor freight. I did some digging within the live data menu and the cam retard info is not there. I could play with it and try to adjust blindly but I’ll do it the right way and wait for the better scanner. Thanks for sending along the procedure. For now I’m just...
  3. redwing4900

    Ignition problem 98 Yukon SOLVED!

    Neighbor is out of town so I had a question about spark advance, and possibly doing it myself with what’s available. This is what my scanner displays spark advance and it’s between 16.5 and 18 degrees At idle (around 725-750 rpm). Do you think it’s possible to time it based on that number or...
  4. redwing4900

    Ignition problem 98 Yukon SOLVED!

    I will double check the cmp retard with my neighbor’s scanner. It sounds much better but there is a little hitch when it transitions to lower idle.
  5. redwing4900

    Ignition problem 98 Yukon SOLVED!

    Problem solved? Cleaned up some chassis grounds that were quite rusty also did one more adjustment to the distributor: it worked the cam position correlation engine light was on until I made the adjustment so that the cap sat against the manifold and it fired up no check engine light. Took it...
  6. redwing4900

    Ignition problem 98 Yukon SOLVED!

    By the way this was not an ac delco part the middle fried off and was laying in the distributor. Sounds like I’m answering my own question regarding ac delco versus cheaper doesn’t it I could change the cps back to the original one that was in there or get an AC delco cam position sensor and see...
  7. redwing4900

    Ignition problem 98 Yukon SOLVED!

    That picture is exactly what I needed to see, thank you. I was working on the Yukon today moved the distributor back to it’s original position (1 tooth) i have the cap on there just like it’s pictured, and it started but it’s still not right. I’m getting a misfire code along with maf codes. I’ve...
  8. redwing4900

    Ignition problem 98 Yukon SOLVED!

    Yes I was thinking that it was a tooth off because it ran so rough after I did the re stab. I’ll retime it tomorrow I hope it works. So the code 1345 is because it’s not timed correctly?
  9. redwing4900

    Ignition problem 98 Yukon SOLVED!

    I shot the connections on the coil and ended up getting a new one, tests were in my Chilton manual. After I replaced the coil, a small adjustment to the distributor(more advance counter clockwise), it started and ran rough and gave me code 1345 crankshaft position/camshaft position...
  10. redwing4900

    Ignition problem 98 Yukon SOLVED!

    Also I just remembered that the cps is a master pro. Woops
  11. redwing4900

    Ignition problem 98 Yukon SOLVED!

    Thank you for the response. I had an off brand cap before but this time it’s a Delco. It’s not running yet. Still working it out
  12. redwing4900

    Ignition problem 98 Yukon SOLVED!

    Also no codes are showing up
  13. redwing4900

    Ignition problem 98 Yukon SOLVED!

    I finally had some time today to look things over and found the pictures fuse blown that was in the ENG-I slot 20amp. I checked the timing and it appears correct now as it turns over without sputtering and coughing. Still no start. I have rechecked the previously blown fuse and it’s not blowing...
  14. redwing4900

    Ignition problem 98 Yukon SOLVED!

    Great responses which I have come to expect From this forum, Thank you. I did mark distributor position which makes me suspect that may not be the problem. I will give the spray bottle a shot if I can get her running.
  15. redwing4900

    Ignition problem 98 Yukon SOLVED!

    It looks like there are a few ignition issues popping up around the forum, here is mine. 98 Yukon 5.7L new spider injection, rebuilt engine with 32k miles on it, 210k total. It had new plugs wires and cap and rotor after the rebuild. I overheated the engine about a month ago because of a...
  16. redwing4900

    Battery died the other day…won’t run now..Solved

    I solved it! After I removed the code alarm with the same problem, I took the plug off of the mass airflow sensor knowing that it would give me a code, but it might run and it did! Cleaned it up, but the problem was still happening whenever I had it plugged in. Bought a new one and put a new air...
  17. redwing4900

    Battery died the other day…won’t run now..Solved

    It was just spliced in, removed now. Still dying on me. Doing some relearns now. I’m not confident, no offense. Thank you for your help!
  18. redwing4900

    Battery died the other day…won’t run now..Solved

    Code alarm is still getting power I didnt get ride of it before. the key I have doesn’t have any resistors in it just a flat key
  19. redwing4900

    Battery died the other day…won’t run now..Solved

    Ok thank you I also have an old after market code alarm that I can’t quite figure out how to eliminate. That might be the whole problem. it has a pass key bypass module
  20. redwing4900

    Battery died the other day…won’t run now..Solved

    Spark is good
  21. redwing4900

    Battery died the other day…won’t run now..Solved

    Very frustrating…changed iac valve. No help. On the dash it’s indicating 11 volts when I check the battery, alternator, etc I have 14.5V. Anything to that? How would I check for spark on this? I have a timing light, would I check it by seeing if the light is pulsing When hooked up to a wire...
  22. redwing4900

    Battery died the other day…won’t run now..Solved

    Thank you for your responses. It’s hard to include everything in a logical order so I’ll just continue to shotgun here: truck was running great up until the battery died yes had fuel I sucked out 12 gallons changed the pump, put 10 back in also changed fuel filter and fuel pump relay. There are...
  23. redwing4900

    Battery died the other day…won’t run now..Solved

    I left the lights on the other day and my older battery died on me. After I changed it, my 98 Yukon 5.7 won’t run for more than 5 seconds after sputtering. I haven’t had my fuel gauge working for the three years I have owned it so I figured the fuel pump went after i Did some research on that...
  24. redwing4900

    1998 Yukon transfer case troubles

    So it’s been awhile. I pulled the transfer case fuse and Drove it around some and the thing is still engaging. Soooo I guess the transfer case is mechanically binding (At least that’s my guess) and spinning the front drive shaft Only (without engaging) since when I went to remove it the front...
  25. redwing4900

    1998 Yukon transfer case troubles

    My 4wd is activating with no input. I was hearing a clunk when I would make a turn and it is from the transfer case activating the front axle. I have changed the motor on the transfer case already but no change to the symptom, there is no code or service 4wd trouble light either. If I pull the t...

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