TaurusKev
(Hard-core CEG\'er)
10/23/04 02:21 AM
What the *$&@ is with my %#*(ing Gas milage?!

I do every possible thing to my contour to improve gas milage, but its getting WORSE!!!!

Today, odometer reads 204 miles, Gas tank = almost less than 1/4 left of fuel.

I checked compression, getting around 135 range.

Changed spark plugs recently, changed Ignition coil due to a scope showing some weird things with mine

Checked o2 sensor at school, the comptuer correctly reads it

PCV Valve has been changed

Oil correctly changed, Transaxle fluids changed

EGR Valve NOT Opening, but I am told that shouldn't make my gas milage suck this terribly!

Do not excessivly idle, Air filter is clean, air box is tightly installed. New MAF.

Fuel injectors cleaned

It idles alittle rough when she has warmed up around 10-15 minutes of usage, vibrates terribly at stop lights when warmed up.

Im thinking my timing belt is slightly off... This is pissing me off though....

I unplugged my A/C Clutch for winter, so I can use Defrost without my A/C stealing power from me.

I have used VERY gentle driving habits, I havnt red-lined the engine once on this fillup.

Anyone have any suggestions?


AliasJerk™
(Addicted CEG\'er)
10/23/04 02:55 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

I think you need to change your IAC valve, its very common for them to get all sticky and nasty at around 100K miles. I need to do mine, but not horribly. So im putting it off till I can get the tools to do it.

TronX
(Veteran CEG\'er)
10/23/04 03:20 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Does his Zetec engine have an IAC?

HITMANinMI
(Hard-core CEG\'er)
10/23/04 03:45 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Is your Check Engine Light on for your EGR valve issue? If so any CEL forces the car into "limp mode", runs rich, to protect itself that could cause the drop.

Plugs, wires, fuel filter I didnt see those listed.




TaurusKev
(Hard-core CEG\'er)
10/23/04 06:45 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Originally posted by HITMANinMI:
Is your Check Engine Light on for your EGR valve issue? If so any CEL forces the car into "limp mode", runs rich, to protect itself that could cause the drop.

Plugs, wires, fuel filter I didnt see those listed.







Plugs, wires, and fuel filter were all changed recently too, during the spring/summer for fuel filter, plugs and wires in summer

Yes, but even on Limp home mode, my zetec shouldnt be getting gas milage like a Hummer H2. On Limp home mode i should at least get 250-300 miles out of a tank...

(IAC was tested, functions normally too btw )


RoadiJeff
(CEG\'er)
10/23/04 05:17 PM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Maybe the problem isn't under the hood. Check for a sticking e-brake cable or brake cylinder. Jack up the rear end with the brake off and see if you can spin the wheels easily by hand.

Put it in neutral and do the some thing with the front wheels. No e-brake up there but a possible rubbing problem.


TexasRealtor
(Hard-core CEG\'er)
10/23/04 06:08 PM
Re: What the *$&@ is with my %#*(ing Gas milage?!

I wonder if your main cat is plugged?

TaurusKev
(Hard-core CEG\'er)
10/23/04 06:12 PM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Tires spin fine (all 4) it was recently on a lift, main cat.... dont know...... wonder if i plug it on the exaust gas analyzer if i can find anything out

TexasRealtor
(Hard-core CEG\'er)
10/23/04 07:05 PM
Re: What the *$&@ is with my %#*(ing Gas milage?!

I don't know it it will pick that up. You might have to put it on a lift and pull the cat to see if it is plugged at the inlet.

spgoode
(Veteran CEG\'er)
10/25/04 02:58 PM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Originally posted by ContourKev:
Im thinking my timing belt is slightly off



There is no "slightly off," if it's off then your car will run f'd up.


Kremithefrog
(I have no life)
10/25/04 03:24 PM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Originally posted by spgoode:
Originally posted by ContourKev:
Im thinking my timing belt is slightly off



There is no "slightly off," if it's off then your car will run f'd up.



Not true.


contourfreak22
(Hard-core CEG\'er)
10/26/04 11:47 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Originally posted by ContourKev:
I do every possible thing to my contour to improve gas milage, but its getting WORSE!!!!

Today, odometer reads 204 miles, Gas tank = almost less than 1/4 left of fuel.

I checked compression, getting around 135 range.

Changed spark plugs recently, changed Ignition coil due to a scope showing some weird things with mine

Checked o2 sensor at school, the comptuer correctly reads it

PCV Valve has been changed

Oil correctly changed, Transaxle fluids changed

EGR Valve NOT Opening, but I am told that shouldn't make my gas milage suck this terribly!

Do not excessivly idle, Air filter is clean, air box is tightly installed. New MAF.

Fuel injectors cleaned

It idles alittle rough when she has warmed up around 10-15 minutes of usage, vibrates terribly at stop lights when warmed up.

Im thinking my timing belt is slightly off... This is pissing me off though....

I unplugged my A/C Clutch for winter, so I can use Defrost without my A/C stealing power from me.

I have used VERY gentle driving habits, I havnt red-lined the engine once on this fillup.

Anyone have any suggestions?


usually i get 350 miles on a full tank of gas if im lucky it goes to 375 when i hit 1/4 tank

mavrock
(Hard-core CEG\'er)
10/26/04 02:17 PM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Originally posted by ContourKev:
I do every possible thing to my contour to improve gas milage, but its getting WORSE!!!!

Today, odometer reads 204 miles, Gas tank = almost less than 1/4 left of fuel.

I checked compression, getting around 135 range.

Changed spark plugs recently, changed Ignition coil due to a scope showing some weird things with mine

Checked o2 sensor at school, the comptuer correctly reads it

PCV Valve has been changed

Oil correctly changed, Transaxle fluids changed

EGR Valve NOT Opening, but I am told that shouldn't make my gas milage suck this terribly!

Do not excessivly idle, Air filter is clean, air box is tightly installed. New MAF.

Fuel injectors cleaned

It idles alittle rough when she has warmed up around 10-15 minutes of usage, vibrates terribly at stop lights when warmed up.

Im thinking my timing belt is slightly off... This is pissing me off though....

I unplugged my A/C Clutch for winter, so I can use Defrost without my A/C stealing power from me.

I have used VERY gentle driving habits, I havnt red-lined the engine once on this fillup.

Anyone have any suggestions?



Maybe it's not anything you're doing/not doing...
This may sound sort of stupid, but it IS getting colder outside...my mileage sure takes a crap during the colder months....during the summer I can easily get 360-370 miles to a tank, now I'm filling up on around 340-350 right now.
Just a thought.


spgoode
(Veteran CEG\'er)
10/26/04 03:19 PM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Originally posted by Kremithefrog:
Originally posted by spgoode:
Originally posted by ContourKev:
Im thinking my timing belt is slightly off



There is no "slightly off," if it's off then your car will run f'd up.



Not true.



How will it run right if the valve timing is off?


TaurusKev
(Hard-core CEG\'er)
10/26/04 10:04 PM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Originally posted by mavrock:
Originally posted by ContourKev:
I do every possible thing to my contour to improve gas milage, but its getting WORSE!!!!

Today, odometer reads 204 miles, Gas tank = almost less than 1/4 left of fuel.

I checked compression, getting around 135 range.

Changed spark plugs recently, changed Ignition coil due to a scope showing some weird things with mine

Checked o2 sensor at school, the comptuer correctly reads it

PCV Valve has been changed

Oil correctly changed, Transaxle fluids changed

EGR Valve NOT Opening, but I am told that shouldn't make my gas milage suck this terribly!

Do not excessivly idle, Air filter is clean, air box is tightly installed. New MAF.

Fuel injectors cleaned

It idles alittle rough when she has warmed up around 10-15 minutes of usage, vibrates terribly at stop lights when warmed up.

Im thinking my timing belt is slightly off... This is pissing me off though....

I unplugged my A/C Clutch for winter, so I can use Defrost without my A/C stealing power from me.

I have used VERY gentle driving habits, I havnt red-lined the engine once on this fillup.

Anyone have any suggestions?



Maybe it's not anything you're doing/not doing...
This may sound sort of stupid, but it IS getting colder outside...my mileage sure takes a crap during the colder months....during the summer I can easily get 360-370 miles to a tank, now I'm filling up on around 340-350 right now.
Just a thought.





Gas milage has sucked thoughout summer, but getting very intolerable now...

I reset my PCM, car appears to run worse now, feels like she wants to stall more, and have to apply gas each time i shift from R to D, when cold I normally didnt have to, but when today taking it to the store, got it in R, died, Started back up, got it in R, got to street. shift to N, engine died, started back up, D and went off with no problems...

Bout ready to take it in...


AliasJerk™
(Addicted CEG\'er)
10/27/04 02:00 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

my brother was having a MAD problem with stalling on his Jetta, he found out that his Throttle position sensor was on its last leg. Since VW intergraded that part into the Throttle body, he had to replace the throttle body. 70$ in used parts later, back on the road again. Have you checked your TPS lately?

Loco4G63
(CEG road warrior)
10/27/04 03:07 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Check IAC Valve........also if you want to try I have an extra TPS sensor.

TaurusKev
(Hard-core CEG\'er)
10/28/04 04:23 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Ok, so I was reading in Haynes how to change the timing belt, it mentioned something about installing a tension spring to the tensioner, I never did this, could not installing this spring [censored] with my timing? when i did my timing i used Mitchell, not haynes, where do i get this from? autozone said they didnt have it... perhaps that could be why my valve timing MIGHT be off a bit...

Kremithefrog
(I have no life)
10/28/04 06:39 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Originally posted by spgoode:
Originally posted by Kremithefrog:
Originally posted by spgoode:
Originally posted by ContourKev:
Im thinking my timing belt is slightly off



There is no "slightly off," if it's off then your car will run f'd up.



Not true.



How will it run right if the valve timing is off?



It's not running right. That's possibly why he is getting bad gas mileage. I said not true to there being no slightly off, but there is slightly off.


Kremithefrog
(I have no life)
10/28/04 06:42 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

The tension spring and post are ford dealer parts. It was cheaper (even though they're small cheap parts) to order from ford parts online than my local dealers. And they'll help you figure out the right parts. I used to have the part numbers but they got deleted off my computer.

G Stone
(Veteran CEG\'er)
10/29/04 07:30 PM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Wow, you get worse gas mileage than my V6, and I only get 230-250 miles per tank. That really sucks, I feel for you. I heard somewhere that Contiques have the gas mileage of a Corvette, is this true?

TourDeForce
(Hard-core CEG'er)
10/29/04 08:48 PM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Originally posted by ContourKev:
Fuel injectors cleaned

It idles alittle rough when she has warmed up around 10-15 minutes of usage, vibrates terribly at stop lights when warmed up.





Sounds like a fuel injector is stuck open, or the injector wire may be pinched, shorted. This will allow the car to run near normally when cold, but rough when warm.

Check the voltage to the injector plugs one at a time with key on, engine off to see if you've got current when there shouldn't be any. If the wiring checks out OK, you'll need to check the injectors. The condition of the plugs may point you in the direction of which injector may be at fault and need replacing.


TaurusKev
(Hard-core CEG\'er)
10/29/04 11:44 PM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Well I went ahead and decided to fix my timing belt anyway, You could obviously tell they wernt correctly aligned...

1 cam was just a few degrees off from the other... Waiting for Woodfield Ford stealership to get my retaining pin so I can install the spring for the tensioner for the timing belt pulley. Then hopefully she'll run great again, like she did when i first bought her....


Troy00690
(CEG\'er)
10/31/04 02:26 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

I usually get about 220-250 a tank and i have about 1/8 of a tank or less. have been getting that mileage for about 18 months now and the car appears to run fine

Troy


TourDeForce
(Hard-core CEG'er)
11/01/04 02:03 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Let us know what happens to your fuel mileage.

RoadiJeff
(CEG\'er)
11/02/04 07:49 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Damn, guys - 200, 250 miles? If I don't get at least 300 miles before the low fuel light comes on I start thinking tune-up.

98 V6 Mystique


96mercury
(Veteran CEG\'er)
11/02/04 08:02 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

not to highjack the post but my low fuel light doesn't turn on and the bulb isn't burned out. Did some tours/tique not come with this feature? Is there a way to upgrade it so it does?

TaurusKev
(Hard-core CEG\'er)
11/02/04 05:34 PM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Originally posted by 96mercury:
not to highjack the post but my low fuel light doesn't turn on and the bulb isn't burned out. Did some tours/tique not come with this feature? Is there a way to upgrade it so it does?




98+ tours have it

97 and older have no idiot light


10mmFeeder
(Hard-core CEG\'er)
11/02/04 09:08 PM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Originally posted by Ali as Jerk:
I think you need to change your IAC valve, its very common for them to get all sticky and nasty at around 100K miles. I need to do mine, but not horribly. So im putting it off till I can get the tools to do it.




What tools?? Doesn't take anything special...


Troy00690
(CEG\'er)
11/03/04 01:52 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

i did my last tune up around last feburary. I have not changed my IAC or TPS sensor. I gave ford performance a call to get pricing on new parts and will be getting them and also cleaning my intake manifolds.

Troy


starjammir
(Hard-core CEG\'er)
11/03/04 02:53 AM
Re: What the *$&@ is with my %#*(ing Gas milage?!

Iv been getting crappy milage too. Im averaging 17 MPG. Im getting pretty mad about this. I have no clue what is wrong with my car. It has 60K on it. ALso it does have the v6

TaurusKev
(Hard-core CEG\'er)
11/14/04 10:28 AM
UPDATE What the *$&@ is with my %#*(ing Gas milage

Update!!!

My car does still seem to guzzle gas IMO, but doing a bit better
went 215.8 Miles, and put in 10.5 gallons of gas in

But, I did a little highway driving ont his tank... So I am still disappointed at my gas milage....

Timing belt fixed to a certain degree.

Now my automotive teacher stated my gas milage shouldn't be thrown off much with a bad EGR Valve (not opening) How would this effect my engine? To me EGR is a peice of [censored]... I'm debating wheater to go buy a new EGR Valve now, or wait till Union stops stealing money from my paycheck....



FrozenSection
(CEG\'er)
11/15/04 02:38 AM
Re: UPDATE What the *$&@ is with my %#*(ing Gas mi

Originally posted by ContourKev:
Update!!!

Now my automotive teacher stated my gas milage shouldn't be thrown off much with a bad EGR Valve (not opening) How would this effect my engine? To me EGR is a peice of [censored]... I'm debating wheater to go buy a new EGR Valve now, or wait till Union stops stealing money from my paycheck....






With a nonfunctioning EGR, the computer compensates with a slightly richer mixture, but it shouldn't make too much of a difference with mileage. With EGR, the engine can run with a bit less gas since exhaust gases are inert; with the EGR valve open, it's like having your combustion chambers destroked. EGR came about in the '70s since carburetors were being set leaner and leaner for increasingly stringent CARB standards. The resulting hotter exhaust meant formation of NOx, so inert exhaust gases were used to cool down the the combustion cylinder.

Yeah, it's a PITA. On my '78, I'm just glad that the EGR valve is easily accessible.

Po



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