bad gas milage
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bad gas milage
alright so my 93 sol si is getting 22 hiway i had my brother run it on the scan system and everything checked out perfect. plugs are white, brown color. i have no clue why my car is doing thins. any guesses?
untitledsol- Posts : 59
Join date : 2011-10-04
Location : maine
Re: bad gas milage
Could be so many things. Post up a pic of the plugs if ya can, also give us some more info like, which engine, how many miles, service schedule, any Mods you've made to the engine, any other issues that you may have had or noticed, does it have any other symptoms, (smoking, running rough, sputtering)???
Have you checked the timing, checked the injectors, changed the fuel filter, tires good? And is this a new event that changed out of the blue or has it been this way since you've had the car, and if all of the sudden then what was the last changes that you made??? What kind of driving (city- hwy) and is this your DD?
I'm not a guru on this subject but I bet more info could help to resolve the problem...
Have you checked the timing, checked the injectors, changed the fuel filter, tires good? And is this a new event that changed out of the blue or has it been this way since you've had the car, and if all of the sudden then what was the last changes that you made??? What kind of driving (city- hwy) and is this your DD?
I'm not a guru on this subject but I bet more info could help to resolve the problem...
Zen Chameleon- Admin
- Posts : 152
Join date : 2011-08-29
Location : Blahville, Arkansas
Re: bad gas milage
1.6 d16z6 dd my brother is a tech and makes sure every little detail is perfect. everything is up to date on the car. it was getting 38-40 hw and just randomly dropped to 22ish i have no upgrades to the car. all stock. little black buildup on the rear bumper from the exhaust, not burning oil tho. it is an automatic too. i am frigen pissed, it cost me 80$ a week to drive 60 miles every day. when i was getting about 400 miles to a tank. i cant afford gas to get to school now i dont have a job anymore...... just frigen stressed. like i said absolutly everything checks out ok in the system.
untitledsol- Posts : 59
Join date : 2011-10-04
Location : maine
Re: bad gas milage
Even though its testing good O2 might be starting to fail and might be enriching the fuel. The black soot is a good sign of running rich. Could also have a dirty injector thats not closing all the way and still spraying a little extra.
WORPsol- Posts : 171
Join date : 2011-09-24
Age : 42
Location : Russellville, AR
Re: bad gas milage
if it was running rich wouldnt you see a difference in the plugs. not white?
untitledsol- Posts : 59
Join date : 2011-10-04
Location : maine
Re: bad gas milage
i am getting a header with a new o2 from a friend this week so im gonna see if that fixxes it
untitledsol- Posts : 59
Join date : 2011-10-04
Location : maine
Re: bad gas milage
depends on how rich it was running.
WORPsol- Posts : 171
Join date : 2011-09-24
Age : 42
Location : Russellville, AR
Re: bad gas milage
Yeah I'm gonna go with what Worp is saying too. If there hasn't really been any other changes in performance then this sounds about right. Good Luck with the other O2
Zen Chameleon- Admin
- Posts : 152
Join date : 2011-08-29
Location : Blahville, Arkansas
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