• 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 mcdavidhome

  1. M

    I gutted my CAT and I love it!!!

    I am beyond happy about going catless today. The performance improvement on my stock 08 is great and now I don't have to ever worry about that ****ty CAT converter getting clogged again. Has anyone else out there went catless? if so please share your experinece.
  2. M

    Need help with 0420 and 0128 code!!

    Hey guys I've bee having some trouble with the P0420 code (catalysts system efficiency below threshold bank 1.) I purchased a blue driver code reader/scanner to monitor the live data of the O2 sensors and they both seem to be working fine. According to my research o2 sensors should give voltage...
  3. M

    Need help with information display read out.

    Hello all. For some reason my info display is reading CAL in the bottom left hand corner where the compass readout is usually at. I have no idea what that means or stands for. Does anyone have a clue? I have attached a photo in the description below..
  4. M

    Car hesitates under moderate to heavy throttle and the CEL flahes continuously!!!

    Hello all..I have a 2008 GP with the 3800 series 3 with only 65000 miles. My car has started to hesitate under moderate to heavy acceleration and the check engine light blinks as this occurs but does not stay on. I went to autozone to have the codes scanned but they found no codes mainly because...
  5. M

    Is my 2008 Grand Prix a LEMON???

    I am trying to figure out if my 2008 Grand Prix 3800 v6 is a lemon or not. This car currently only has 60,000mi and was purchased in 2009 with only 10,000 mi. I swear seems like every year for the past 3 years I have had a different major problem with this car. The 1st major problem was the...
  6. M

    Will removing the catalytic converter make the 08 models burn more gas??

    Hello everyone. I am considering removing my cat and going with a straight pipe instead of buying a new one. But I have heard from a few people that the 08 models must have a cat or it will burn gas like crazy. Does anyone know for sure if this is true for that particular year??
  7. M

    Need Help with P0106 and P0420 codes!!

    Hello everyone. I took my 2008 Pontiac GP 3800 to a GM service dept to have the P0106 and P0420 codes checked out and they claim I need a MAP sensor $93.00, Map sensor system cleaning $200.94, a EGR system cleaning $200.94 and a Fuel injector cleaning $139.00 which will cost over $700 bucks! I...
  8. M

    Why in the heck is my power window circuit breaker keep overloading!!

    :th_shakinghead1::th_shakinghead1::th_shakinghead1:Hello everyone. For the life of me I cant figure out why my power window circuit breaker keeps overheating and causing all of my power windows to stop working.. Sometimes my windows work and sometimes they don't. I replaced the 25 amp circuit...
  9. M

    !!First Brake pad change on 08 Grand Prix! Do I go with aftermarket pads or OEM???

    Hello my fellow Grand Prix enthusiasts. I am coming up on my first brake pad change on my 08 Pontiac grand prix 3.8 litre v6 with 46,000 miles. Some mechanics tell me to stick with the OEM pads because they last a lot longer than the aftermarket ones, while others say go with aftermarket because...
  10. M

    General Maintenance on a 08 Grand Prix at 50, 000 miles

    What general maintenance needs to be done on a 08 Grand Prix with only 50, 000 miles??
  11. M

    2008 Grand Prix: Where in the heck is the Power window fuse!!

    The section below the line is not on my fuse panel. Everything is there above the line but only the wiring is below the line. I cannot find the power window fuse/relay. I'm stomped please help...
  12. M

    2008 Grand Prix: Where in the heck is the Power window fuse!!

    Here we go. GM was nice enough to include a picture of the fuse panel in the owner's manual. The problem is that the top half of the pic' is there. The section below the line is not. Anyone know where the power window fuse/breaker is located? It's an 08 GP Thanks.
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