• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

Recent content by Gboy

  1. G

    cranks wont start

    My 99 grand prix cranks and backfires when letting off key from trying to starting. I have fuel pressure 45 psi. I have spark showing on ignition tester at the three coils i guess thats what they are called. My compression is all around 150 on all cylinders. Starting to wonder if it jumped time...
  2. G

    Crank shaft sensor

    What's best way to check crankshaft sensor? Can you use a multimeter 99 Grand Prix
  3. G

    Think my engine jumped time

    I know everyone say chain doesn't go bad in the 3.8. It has 208,000 miles and cranks won't starts but backfires when turning over. Got spark , furl pressure and compression. If crank sensor bad do you still get spark? How can I check it with multimeter? Is there any timing marks to line up to...
  4. G

    cranks but wont start

    Got 99 Grand prix cranks but wont start. checked ignition spark at the ignition modules or whatever they are called. Got spark from all six wire plugs, am assuming that means crank sensor good? since getting spark. Check fuel pressure 45-50 psi when cranking. Checked compression all around 150...
  5. G

    Sons car wont run

    HI New to forum. My 15 1/2 yr old sons grand prix started to run like it had a miss after dropping him off at school in it. Noticed digital gauges also flickered while doing this. once got car home notice some smoke coming from under hood opened it up to find oil dip stick not all the way in...
See more
Back
Top