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12-14 mpg

Toofastgs

Toofastgs

New member
What the hell gives?

Plugs are new (104s)
Oil not that old will change this weekend
Fuel filter 6months old. Will change this weekend as long with PVC
Tires at 34cpsi what is recommended is 30cpsi
My foot is not in the gas.
Now a few months ago i did remove my thermostat to help keep car cool but it did not affect the mpg I will add before i leave today.

This just started yesterday out of the blue.

PS. I do not run any gas with eth in it.
 


Toofastgs said:
What the hell gives?

Plugs are new (104s)
Oil not that old will change this weekend
Fuel filter 6months old. Will change this weekend as long with PVC
Tires at 34cpsi what is recommended is 30cpsi
My foot is not in the gas.
Now a few months ago i did remove my thermostat to help keep car cool but it did not affect the mpg I will add before i leave today.

This just started yesterday out of the blue.

PS. I do not run any gas with eth in it.
Click to expand...

Start by putting that t-stat back in. Taking that out can only cause you trouble.

Also, make sure you are running a stock t-stat if you are concerned at all about mileage.

Start there. But also consider plug wires and O2 sensor.
 
Why did you remove the T-stat?

Put it back in. The engine is designed to make its best power and fuel mileage, once it has gotten to the proper running temp. Your car now is not getting into open loop and stuck in closed loop. I always get them confused, open and closed, but either way your car is not getting to the one and stuck in the other. Computer controlled cars need to get to temp, not like cars years ago that were not computer controlled.

A couple other things are, change your oil and check your air filter.
 
Last edited:
Well i just put the tstat back in. Went a head and did fuel and pcv while i was at it.

I forgot how to tell if pcv is bad, but the fuel when i took it off and blew threw it it was hard and some black colored gas came out :-/

So well see what happens.
 
Toofastgs said:
Well i just put the tstat back in. Went a head and did fuel and pcv while i was at it.

I forgot how to tell if pcv is bad, but the fuel when i took it off and blew threw it it was hard and some black colored gas came out :-/

So well see what happens.
Click to expand...

if your pvc is bad ..with the oil cap off place your hand over the hole if it sucks your hand then the pvc is ****....
 


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