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Service light/bad milage

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Old 04-12-2010, 06:05 PM
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Default Service light/bad milage

1997 855 t-5 with 133k miles

my service light comes on for about 1 min than goes off every time i start the car i been getting ****ty milage for the last month had new plugs wires cap rotor oil change i done full tune up about 3 months ago any 1 have any ideas thanx
 
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Old 04-12-2010, 07:36 PM
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The is a Service Light, which tells you when to change your oil and a Check Engine Light which means you have a code in the ECU. It sounds like you your light is just the service light, which is not an issue. Your bad mileage could be a few things, more then likely a vacuum leak. I would check all the intake hoses and lines for cracks and leaks and repair them as you find them.
 
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Old 04-12-2010, 08:14 PM
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how crappy is crappy gas mileage? currently im only averaging upper teens in my 95 turbo wagon
 
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Old 04-13-2010, 03:16 AM
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Originally Posted by 91shelby
how crappy is crappy gas mileage? currently im only averaging upper teens in my 95 turbo wagon
well im getting like 15 city/highway and i was getting 21 city/highway
 
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Old 04-13-2010, 03:17 AM
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Originally Posted by fcpgroton
The is a Service Light, which tells you when to change your oil and a Check Engine Light which means you have a code in the ECU. It sounds like you your light is just the service light, which is not an issue. Your bad mileage could be a few things, more then likely a vacuum leak. I would check all the intake hoses and lines for cracks and leaks and repair them as you find them.

i will check for leaks but the oil if fine hope its just a leak thanx for input
 
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Old 04-13-2010, 11:05 AM
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Originally Posted by JOEYLOVESBARB
well im getting like 15 city/highway and i was getting 21 city/highway

Yea that is pretty bad.I get 25-28ish hwy when just cruising and around 15-19 if Im driving hard.
Thats with 17psi tune,OBX turboback etc.
 
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Old 04-13-2010, 11:17 AM
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Originally Posted by B00$T CR33P
Yea that is pretty bad.I get 25-28ish hwy when just cruising and around 15-19 if Im driving hard.
Thats with 17psi tune,OBX turboback etc.

yea i never seen more than 24 i think dont even drive hard
 
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