my cel came on checked ecu for codes got front left heated 02 and knock sensor i dont have the cash to fix it right now is this going to be a problem if i drive for awhile (besides bad gas mileage)?

 

Define a while?

All you need is 70 bucks - to fix the o2 sensor. The money you spend on extra gas will soon cost you more than just replacing the o2 sensor.

Same thing is true for the knock sensor. If it is really bad (which you won't know until you fix the o2 sensor), you're losing about 15% in mpg... so that will add up to $70-80 (new knock sensor from Ebay) pretty quick too.

 

1-2 month is that too long to wait i will only be driving back and forth to work daily(20 miles round trip)and some short trips in the evening.

 

No, 1-2 months would be no problem. Like I said,you are still burning extra gas (i.e. spending more than you need to on gas during that time).

 

i no but my money is really tight right now. i still have 3 payements left then i will be putting that money into the car monthly. will reseting the cel help with mileage?

 

Perhaps - if the codes get reposted then you're no worse off... just drive it without worrying about it for now... but fix it once finances allow.

 

appreciate it njmodi i just joined this site and have learned more about my car in a week then the 2 1/2 years ive had it

 

Keep reading - especially all the stickies... there is more information in them than you could possible imagine. Just get familiar with what's in there - so you know where to look first, when you have a question. A lot of the common Q+As are covered in the stickies. Cheers.