How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), GMC Mechanic
Category: GM
Satisfied Customers: 5787
Experience:  GM Grand Master Technician 2007. 14 years experience.
Type Your GM Question Here...
GM Tech (Cam) is online now
A new question is answered every 9 seconds

GM colo: i have a chev colo z71 i have two codes one is p0135

Customer Question

i have a chev colo z71 i have two codes one is p0135 i changed oxy senor,the other is p0030.i like to find out the fuses locations.or circuit-fuses 2005
Submitted: 2 years ago.
Category: GM
Expert:  GM Tech (Cam) replied 2 years ago.
Hi there, I am Cam. Those codes relate to sensor one, and that uses fuse 79 in the under hood fuse block. Can you check that and see if that 10 amp fuse is out?
Customer: replied 2 years ago.
sorryi am alittle slow ,ichecked all 10amp fuses all are good
Expert:  GM Tech (Cam) replied 2 years ago.
No problem. DO you have power at any wires to the oxygen sensor with the key on?
Customer: replied 2 years ago.
i dont have any kind of tester.but what does the oxygen senor plug into under tappet cover ,
Customer: replied 2 years ago.
what does that part do
Expert:  GM Tech (Cam) replied 2 years ago.
Nothing, it connects to a harness that runs along the valve cover to the PCM which is the computer.