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Joined: Sep 2004
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CivicRunner
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CivicRunner Mar 31, 8:20pm - #430929 
2000 Carbon Blue Toyota Celica
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2000 Toyota Celica

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Posts: 106
melbourne, Fl
Drastic drop in MPG

ok this started occuring around the time i cleaned my MAF sensor. I used to get around 140 miles in the first set of bars on the meter. but now im getting that around half full. That is an extreme difference. I cleaned my throttle body and put in some fuel injector cleaner but thats it. I always use premium gas(93)which is 2.38 a gallon so its definetely hurting my budget. Could i somehow messed up my MAF i guess ill go check that but any other suggestions???
thanks-kyle
Joined: Apr 2003
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Gen7fan
ThE iRoN mAiDeN
Gen7fan Mar 31, 8:36pm - #430930 
2003 silver streak Toyota Celica GT
ThE iRoN mAiDeN
2003 Toyota Celica GT

Joined: Apr 2003
Posts: 1,899
Maryland
When was the last time you changed your spark plugs?


Change them every two years or 30k miles. I know toyota says 90k, hog wash, if you want to stay at peek its 30k.
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CivicRunner
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CivicRunner Mar 31, 9:16pm - #430931 
2000 Carbon Blue Toyota Celica
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2000 Toyota Celica

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melbourne, Fl
haha hog wash, havent heard that term in a while

Well i bought the car with 60K on it but i dont know if they were ever changed out. Do you have any suggestions on the bst spark for the buck? Thanks gen7
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Gen7fan
ThE iRoN mAiDeN
Gen7fan Mar 31, 9:40pm - #430932 
2003 silver streak Toyota Celica GT
ThE iRoN mAiDeN
2003 Toyota Celica GT

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Posts: 1,899
Maryland
Denso or NGK. Denso is stock, NGK works to.

sparkplugs.com
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WhiteCeli
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WhiteCeli Mar 31, 9:54pm - #430933 
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HI
go with the ngk's! are you driving any differently? Have you been traffic driving a lot more? Hows the weather? Many factors that could be considered
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Gen7fan
ThE iRoN mAiDeN
Gen7fan Mar 31, 10:09pm - #430934 
2003 silver streak Toyota Celica GT
ThE iRoN mAiDeN
2003 Toyota Celica GT

Joined: Apr 2003
Posts: 1,899
Maryland
Tire pressure? Did you rest the ECU when you cleand the MAF? Did you clean your IACV? Need a new Air Filter, or clean your Air Filter?
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hombredelassrtas
CF Connoisseur
hombredelassrtas Mar 31, 11:04pm - #430935 

CF Connoisseur
2004 Toyota Celica

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Posts: 3,748
Gainesville, FL
gen7 seems to have everhtign i could have said covered. its those years of experience over me wink j/p

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Gen7fan
ThE iRoN mAiDeN
Gen7fan Mar 31, 11:12pm - #430936 
2003 silver streak Toyota Celica GT
ThE iRoN mAiDeN
2003 Toyota Celica GT

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Posts: 1,899
Maryland
rofl
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hombredelassrtas
CF Connoisseur
hombredelassrtas Apr 1, 12:16am - #430937 

CF Connoisseur
2004 Toyota Celica

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Posts: 3,748
Gainesville, FL
cheers

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CivicRunner
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CivicRunner Apr 1, 8:26pm - #430938 
2000 Carbon Blue Toyota Celica
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2000 Toyota Celica

Joined: Sep 2004
Posts: 106
melbourne, Fl
Air Filter looks clean, havent changed driving styles-shifting around 3k, i did not reset my ECU after i cleaned my MAF. i guess i should do that. Would that make that much of a difference?
Joined: Apr 2003
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Gen7fan
ThE iRoN mAiDeN
Gen7fan Apr 1, 8:50pm - #430939 
2003 silver streak Toyota Celica GT
ThE iRoN mAiDeN
2003 Toyota Celica GT

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Posts: 1,899
Maryland
It could. What about your IACV.

After I cleaned mine I noticed a big gain in gas mileage.
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CivicRunner
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CivicRunner Apr 2, 2:25am - #430940 
2000 Carbon Blue Toyota Celica
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2000 Toyota Celica

Joined: Sep 2004
Posts: 106
melbourne, Fl
sweet il try it
thanks dude thumbsup
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GTSdrifter
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GTSdrifter Apr 2, 6:32am - #430941 

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2000 Toyota Celica SS2 ZZT231

Joined: Sep 2003
Posts: 291
UNION CITY, CA
Originally Posted by Gen7fan
It could. What about your IACV.

After I cleaned mine I noticed a big gain in gas mileage.


ummm hate to ask a noob question but wuts the IACV? wave
Joined: Dec 2004
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maingear
Senior Member
maingear Apr 2, 7:01am - #430942 

Senior Member
2002 Toyota Celica

Joined: Dec 2004
Posts: 401
Arkansas
I htink it's an Idel Air Control Valve, but I think all we have is MAF for that. The last IACV I saw was on a Probe/Mitsubishi. Never wanna see that again! thumbsdown
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GTSdrifter
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GTSdrifter Apr 2, 7:07am - #430943 

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2000 Toyota Celica SS2 ZZT231

Joined: Sep 2003
Posts: 291
UNION CITY, CA
never mind guys... i looked it up in the installs section thumbsup
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maingear
Senior Member
maingear Apr 2, 7:16am - #430944 

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2002 Toyota Celica

Joined: Dec 2004
Posts: 401
Arkansas
I see it too! beter design than the probe for sure!
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Zero
Furi Kuri
Zero Apr 2, 7:22am - #430945 

Furi Kuri
2002 Toyota Celica GT

Joined: Sep 2003
Posts: 3,982
San Diego, CA
damn i noticed a good drop in MPG when i installed my AEM CAI cry

I've mastered the art of the After Image Technique.
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GTSdrifter
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GTSdrifter Apr 2, 8:40pm - #430946 

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2000 Toyota Celica SS2 ZZT231

Joined: Sep 2003
Posts: 291
UNION CITY, CA
Originally Posted by Zero
damn i noticed a good drop in MPG when i installed my AEM CAI cry


really? that hella sux. I wonder if itll b the same for the TPR Intake
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Zero
Furi Kuri
Zero Apr 2, 10:02pm - #430947 

Furi Kuri
2002 Toyota Celica GT

Joined: Sep 2003
Posts: 3,982
San Diego, CA
Pare, im gonna clean the MAF sensor and try to clean out the Tbody to see if that helps. so far my current MP averages 25miles. eek

I've mastered the art of the After Image Technique.
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