whats the deal with my car!!
Thread Starter
TECH Apprentice
Joined: Apr 2007
Posts: 369
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From: Clarksville
whats the deal with my car!! Ive noticed over the past week my MPG has gone way WAY down and I cant figure this car out. Yesterday I seafoamed the car with the exeption of adding it to the oil cause its not time to change that yet. And today I did the Home depot catch can mod. Did a few highway runs and about 30 mins of driving around town an im still burning gas like crazy. Now when im driving there is no smoke but when im idiling it smokes a white color but it dosent smell like gas or oil it just stinks, and there is moisture in my exhaust tips.Also ive had it tuned for alomost a year now with no problems at all. And the car dosent sound any different or drive any different that ive noticed. Any ideas?
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8 sec potential, 12 sec slip
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If the SES light is not on, it will not have a code. If their scanner can monitor live data, look at the O2 sensors. At idle or partial throttle driving they should be oscillating from 0 to 1V constantly...
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Fuel filter or dirty injectors? I ran some Lucas cleaner through my car and winter ride last year and noticed a difference in both (picked up a few mpg). Although the seafoam should have helped there if you put some in the fuel tank. If your fuel filter filter is old & dirty it will slow things dow there too. How are the plugs and wires? That made a difference on another of my older vehicles I had.
Thread Starter
TECH Apprentice
Joined: Apr 2007
Posts: 369
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From: Clarksville
Plugs (tr55's) are good and so are the wires, I put a can of seafoam in the gas tank and half of the other in the brake booster. I have a new filter on hand but havent put it on yet. I mean on the higway at WOT I can watch my gas gauge move, I use 93 gas and with MPG like this im loosing my mind.
Thread Starter
TECH Apprentice
Joined: Apr 2007
Posts: 369
Likes: 0
From: Clarksville
If I had a bad injector I.E. cracked, or missing a seal whatever how would i be able to tell without taking them out. Visually I cant see anything wrong with them or the whole engine for that matter. Nothing is leaking anywhere and the car isnt driving any different?
