Supremeg56

iTrader: (1)

Whats going on CL so since i owe my amatuer mechanic skills to you guys ive decided to ask and try to fix this issue myself. My car is burning alot more gas then usual are there any pointers or some easy check ups i can do and unfortunately my digital speedometer broke so i cant register how many miles per gallon im getting but i just know its killing gas any help is appreciated

vipman806

Same thing's been happening to mine and I'm trying to see what's up with my 1GS burning more gas than usual.

2turbo4u

did your tune up, timing could be off,clogged cats, a/c useage? tire inflation?

vipman806

I haven't taken it in for a tune up or inflation check so that could be part of the reason my gas is burning fast but after my oil change today the car so much smoother than before and I barely burned any gas today. But a tune up might make it run a whole lot better then I could start on the small stuff again.

Supremeg56

iTrader: (1)

Yea I should do a tune up I've checked my tire inflation on my last oil change and since I live in Miami my ac is on all day lol I'll try a little tune up like spark plugs and stuff to see if that helps besides spark plugs what else do they do in a tune up that I can handle myself lol

VIP_Dreamz

air filter change. if you got an aftermarket filter. clean it.

vipman806

Does K&N do really good with the air filter?

Supremeg56

iTrader: (1)

Cool thanks to everybody that responded

BrentGS

is your CEL on? It could be the cat

2turbo4u

fuel filter,pvc if your car has one?

Supremeg56

iTrader: (1)

where would CEL be at excuse my ignorance but if thats like a warning light on the dashboard then no havent had a light pop up since i changed my serpentine belt

2turbo4u

the check engine light looks looks an "engine" symbol.

Supremeg56

iTrader: (1)

no havent had that light come on at all since i bought the car so im guessing its nothing to serious that needs to be changed yet gonna take a look at it this weekend

afracer

If you don't have a check engine light doesn't mean there can't be something wrong. Just recently we got our '96 GS300 getting much much better gas mileage cause it hasn't been that great ever since we've had it. It got about 20-22 mpg on the highway. First off, I put a 3" cat back exhaust on it, figured this would help a little with mpgs, but no luck. One of the O2 sensors was actually bad, the FSM had specs to test them with a multimeter, that didn't help mileage at all either. After being suspect for a while, I dropped the front pipe of the exhaust and sure enough found that the front cat had started breaking apart and chunks of it's decay were actually clogging the 2nd cat. No telling how long the car was like this either. I got most of the junk out...it was A LOT. I ended up just punching out the 2nd cat so it wouldn't get clogged any more as the 1st one continues to decay and threw it all back together. Night and day difference! The car was like a whole different animal, it ran amazing and picked up at least 40 lost horsepower and mpg's started to come back to 23-24. Since then we've installed a K&N air filter and done a fresh tune up with plugs, cap, and rotor and it's continued to get closer to it's factory specified 25 mpg highway mileage...unfortunately our transmission took a crap so now the car sits until I can figure out what's wrong with it. Might want to drop down your front pipe and inspect the catalytic converters...ours only had 140,000 miles on it, but it's also a '96.

Supremeg56

iTrader: (1)

thanks for the knowledge fam I'm going to do that next friday seeing as its time for another oil change and my brakes might as well kill 2 birds with one stone