Large Leak in Evap, Low Purge Flow
10

Asked by Stu Feb 16, 2019 at 07:54 PM about the 2011 Kia Rio LX

Question type: Maintenance & Repair

Starts and idles rough, trouble accelerating. Misfire
in cylinders 3 and 4, along with P0455, P0497,
P0457 and P0444. Trying to DIY repair, any idea if
this could be related to using a performance air
filter instead of box filter? And where should I look
for the leak without doing a smoke test? Any tips
appreciated, don't have money to risk a mechanic
and I have the time and tools.. Besides smoke
machine.

4 Answers

F_O_R answered 5 years ago

You can't repair the evaporator which means it needs replacing. Those are EVAP system codes which should not be related to the air filter. First of all check the gas cap.

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F_O_R answered 5 years ago

There is the rest of the system. Purge valve, charcoal canister, hoses etc.

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10

Stu answered 5 years ago

Js08016 thank you, ive replaced both the canister vent valve and purge solenoid, and have been checking for leaks by spraying lubricant, no hit yet. Could it possibly be O2 sensor?

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