I recently noticed I feel "high" when driving long distances.I believe it could be one of many things.Evap canister isn't working,rubber plug on the firewall aren't all sealed.Gas tank is leaking fumes/seal is leaking.If you've dealt with anything similar to what i'm describing please help.I'm replacing the exhaust manifold gasket tomorrow as well. Car is a 91 Civic.

 

just open your windows
it might be the fuel pump location inside of the car
it might not be closed well so the fumes from the gas tank might be leaking

 

i'm uploading a video of the Pr4 obd0 Ecu and the code it's throwing.

 

...u drive a 20+ year old car, and your worried about getting 'high' on fumes? If its gonna matter like that, then fix ALL the leaks, or just let it go. open ur windows and leave them leaks alone till something brakes.

 

I've owned 5 Ef's and never had this problem.I'm looking for help not advice.thanks.

 

its only blinking once right?

 

yup

 

my guess would be the IACV or the o2 sensor but if someone could confirm what the code that is being thrown is,that'd be greatly appreciated.

 

it is the o2 but that wouldnt explain the fumes

 

I'm goin to replace the exhaust manifold.Lower the gas tank and check for any loose hoses or cracks and then go from there.With the chasis having 390,000kms i'm sure there are a few Oem parts that need replacing.Thanks for your help masterEf

 

the code its throwing at you is regarding you cata im assuming also try replacing your whole exhaust system go to a muffler shop it would cost like 100-200 bucks for new piping just bring your ow muffler and cat

 

there is no Cat getting one in the next week or so...

 

sure. any time