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 Mike S. Your Own Question
Mike S.
Mike S., ASE Certified Technician
Category: Pontiac
Satisfied Customers: 7368
Experience:  ASE certified
Type Your Pontiac Question Here...
Mike S. is online now
A new question is answered every 9 seconds

Do you know about these 2 codes and what are the corrective

Customer Question

Do you know about these 2 codes and what are the corrective actions P0440 & P1870
Submitted: 1 year ago.
Category: Pontiac
Expert:  Mike S. replied 1 year ago.

P0440 refers to a leak in the EVAP, which means the Evaporative Emission Control System which is used to prevent gasoline vapors from escaping into the atmosphere from the fuel tank and fuel system.

It could simply be a loose gas cap but can also be leaking hoses, etc. The dealer or any shop with a smoke machine should be able to find the leak using smoke.

The P1870 refers to a Transaxle Component Slipping.

Check the ATF level and condition (look for burnt fluid).

If ok, the Transmission may have internal damage (a mechanical fault).

Expert:  Mike S. replied 1 year ago.

Make sure the ecm has power to it also.

Expert:  Mike S. replied 1 year ago.

JustAnswer® is not a free service. I work hard to make sure you're satisfied with my service and I only get credit for my answers based on your rating. Once you're satisfied, please leave a positive rating.