Bad Gas Mileage

**thekorean** · 03-11-2008, 08:22 PM

i have a 94 celica st with 89000 miles i changed plugs, wires, cap, rotor, fuel filter, cleaned the injectors, tire pressure set to 35 psi, clean air filter, i put good gas in it and i still get like 15-17 mpg what else could be the issue.

**jlspec** · 03-11-2008, 08:44 PM

Check your O2 sensor and cat. If either of those are bad they can cause a decress in mpg. Also check your timming, axles, and possiable vac leaks.

**96ST206** · 03-21-2008, 04:49 PM

^^x2 on that how is your car performing? any acceleration issues at all?

**thekorean** · 03-23-2008, 07:53 PM

when it seems fine i did dyno it sadly did 88hp 92ft/lb at the wheels

**klue** · 03-23-2008, 10:21 PM

what were u expecting ?!

**dabazied** · 03-26-2008, 11:19 AM

Check the above then use some seafoam

03-11-2008, 08:22 PM	#1 (permalink)
thekorean Location: madison Posts: 7 Join Date: Aug 2006 Last On: 03-23-2008 07:53 PM	Bad Gas Mileage i have a 94 celica st with 89000 miles i changed plugs, wires, cap, rotor, fuel filter, cleaned the injectors, tire pressure set to 35 psi, clean air filter, i put good gas in it and i still get like 15-17 mpg what else could be the issue.

03-11-2008, 08:44 PM	#2 (permalink)
jlspec Location: San Diego, CA Posts: 97 Join Date: Nov 2007 Last On: 11-06-2008 03:12 AM Vehicle: 1990 All-Trac 2nd Vehicle: 93 Integra LS-S	Re: Bad Gas Mileage Check your O2 sensor and cat. If either of those are bad they can cause a decress in mpg. Also check your timming, axles, and possiable vac leaks. __________________

03-21-2008, 04:49 PM	#3 (permalink)
96ST206 Location: Shaw AFB SC Posts: 15 Join Date: Jan 2008 Last On: 10-03-2008 03:45 PM Vehicle: 96' Curren ST 2nd Vehicle: 93' RHD 180SX	Re: Bad Gas Mileage ^^x2 on that how is your car performing? any acceleration issues at all?

03-23-2008, 07:53 PM	#4 (permalink)
thekorean Location: madison Posts: 7 Join Date: Aug 2006 Last On: 03-23-2008 07:53 PM	Re: Bad Gas Mileage when it seems fine i did dyno it sadly did 88hp 92ft/lb at the wheels

03-23-2008, 10:21 PM	#5 (permalink)
klue Posts: 332 Join Date: Aug 2005 Last On: Today 12:36 AM	Re: Bad Gas Mileage what were u expecting ?!

03-26-2008, 11:19 AM	#6 (permalink)
dabazied Location: North Carolina Posts: 8 Join Date: Mar 2008 Last On: 04-18-2008 08:20 PM	Re: Bad Gas Mileage Check the above then use some seafoam

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