Question about Cars & Trucks
Check engine light, code P0404
Posted by Anonymous on
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Posted on Jan 02, 2017
"This indicates a fuel vapor leak in the EVAP control system. It means a very small leak has been detected. In fact, the leak can be from a hole as small as 0.04" in diameter. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake
vacuum to siphon the fuel vapors into the engine."
Hope that helps..
Posted on Mar 25, 2009
SOURCE: PCM code P0404
P0404 - Exhaust Gas Recirculation (EGR) Open Position Performance
I suspect the EGR got stuck closed, u will need to put around 30 miles on the car before the light will return if the problem is still present..
Posted on May 26, 2009
404 is exhaust gas recirculation circuit, and 405 is exhaust gas recirculation sensor circuit low. EGR sensor or ground?
Posted on Nov 13, 2009
disconect thye battery for 1 min then hook it back up and if it comes back on bring it to the shop
Posted on Dec 07, 2009
Testimonial: "Thank you so much,I'll give it a shot...:) "
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