Recent content by ginogag

  1. G

    '02 5.3ltr problems under load misfiring

    ALWAYS get intake and exhaust comfused
  2. G

    '02 5.3ltr problems under load misfiring

    sorry , not intake.................exhaust manifold
  3. G

    '02 5.3ltr problems under load misfiring

    well , as I told bowtie, just went thru this whole prob, last week had my cats replaced, 02 sensors replaced, and 3 intake manifold retapped and threaded. Ive been having cel, cat probs for 2 years now ,my mechanic FINALLY replaced them , worked like a charm, runs great, I was getting p300, and...
  4. G

    catalytic convertor

    sorry , they are broken bolts on the EXHAUST MANIFOLD
  5. G

    catalytic convertor

    @rockingthebowtie....it was loosing power all the time when I brought it in to the shop (not just when I floored it) Would intake gasket cause those misfires????Would clogged cats affect gas mileage....just curious, thanks
  6. G

    catalytic convertor

    well, I saw the 3 broken bolts a few months ago and remembered ,so I told him to take a look while he gave me a price on the phone . I knew they were there , I wanted know if he saw them and he did. when he told me the cats were the prob, I asked why he didn't just try to change the o2 sensors...
  7. G

    catalytic convertor

    hi guys newbie here, I got 2003 5.3 Tahoe, 127k miles . Few weeks ago while driving , pushed the truck a little and got a flashing cel and bad PINGING, light flashes for about 30 sec. Last week , same exact thing. Yesterday same thing , but lost a lot of power and light would intermittingly...
  8. G

    '02 5.3ltr problems under load misfiring

    flashing cel and pinging hey guys , newbie , I got same problem, when I floor my 5.3 2003 tahoe , ( under load) engine starts pinging and cel starts flashing. After one minute , it goes out. I used to have constant cel and my mechanic told me I needed 02 sensors and cats , and he would have...
  9. G

    2003 5.3 tahoe makes a strange noise

    newbie here, hi guys ..... need help, yesterday my wife was at a light , she went to take off and she heard a strange "snapping", "popping" noise ( according to her ) and the truck lurched forward a little . I called my mechanic and over the phone told me it could be ac compressor. When i...
Top