85 Supra intermitent loss of power while driving

CanadianBak'inSupra · 01-19-2011, 02:27 AM

ill put my vote on fuel filter.
but like sony said check for codes

supkar · 01-26-2011, 04:09 AM

Quote:

Originally Posted by CanadianBak'inSupra

ill put my vote on fuel filter.
but like sony said check for codes

Agreed---fuel filter. Still runs but no power. Barely getting enough gas. Happens after you drive it a bit and gets worse over time. Not fun to change.

GLENN · 02-07-2011, 01:46 PM

I have taken my Supra from Canada to Australia and had to convert
from left to RIGHT Hand drive. The wiring and firewall had to be reversed.

So it is not original and I cannot locate where to plug in the code reader.

Also I have an OBD2 Reader will this be compatible?
How many pins should the connection have (male or female)?

Can anyone tell me where it is located on the original Canadian model?
Is it a fixed connection on a bracket or a loose cable?

Thanks guys

Sonyps307 · 02-07-2011, 03:58 PM

A 85 supra will not have obd2 it didnt come out intill like 95-96. U will have obd1 and it's out in the engine bay

CanadianBak'inSupra · 02-08-2011, 02:09 AM

i think its ei and tei that needs connecting.
normally found by the ignition coil and battery.

i will take a picture of the plug tomarow

DaddyOH! · 06-22-2011, 09:52 PM

Had the same problem. Got the fuel filter off and decided to test flow BEFORE the filter. With the fuel test lead jumped and the key on the pump should be able to produce just under a gallon of fuel in one minute. Mine was doing less than a half gallon. Found my pump screen in the tank to be clogged. Cleaned scale from tank and replaced screen and happy days are back!

Mk3FirstCar-Mike · 07-26-2011, 05:55 AM

Check the ignition timing, make sure the injectors aren't clogged, the fuel pump and the throttle body bore, as-well-as the air filter, fuel filter, EGR system and if you absolutely HAVE to.. a compression test. Those are all of the reasons I could think of that may cause this problem.

-More than likely the fuel filter.

01-19-2011, 02:27 AM	#1
CanadianBak'inSupra Official hall monitor / search nazi - NO SOUP FOR YOU! Join Date: Oct 2009 Location: Canada, BC Posts: 837	ill put my vote on fuel filter. but like sony said check for codes __________________ 1984 supra - 1uzfe - w58 - 4.10 - 1 piece aluminum shaft.

02-07-2011, 01:46 PM	#3
GLENN Stock Join Date: Jan 2011 Location: Australia Posts: 3	Where is the Data Link Connector for 85 Supra I have taken my Supra from Canada to Australia and had to convert from left to RIGHT Hand drive. The wiring and firewall had to be reversed. So it is not original and I cannot locate where to plug in the code reader. Also I have an OBD2 Reader will this be compatible? How many pins should the connection have (male or female)? Can anyone tell me where it is located on the original Canadian model? Is it a fixed connection on a bracket or a loose cable? Thanks guys

02-08-2011, 02:09 AM	#5
CanadianBak'inSupra Official hall monitor / search nazi - NO SOUP FOR YOU! Join Date: Oct 2009 Location: Canada, BC Posts: 837	i think its ei and tei that needs connecting. normally found by the ignition coil and battery. i will take a picture of the plug tomarow __________________ 1984 supra - 1uzfe - w58 - 4.10 - 1 piece aluminum shaft.

06-22-2011, 09:52 PM	#6
DaddyOH! Stock Join Date: Jun 2011 Location: United States Posts: 3	Check fuel pump flow rate Had the same problem. Got the fuel filter off and decided to test flow BEFORE the filter. With the fuel test lead jumped and the key on the pump should be able to produce just under a gallon of fuel in one minute. Mine was doing less than a half gallon. Found my pump screen in the tank to be clogged. Cleaned scale from tank and replaced screen and happy days are back!

07-26-2011, 05:55 AM	#7
Mk3FirstCar-Mike 3" Exhaust Join Date: Jul 2011 Location: Titusville, PA Posts: 54	Check the ignition timing, make sure the injectors aren't clogged, the fuel pump and the throttle body bore, as-well-as the air filter, fuel filter, EGR system and if you absolutely HAVE to.. a compression test. Those are all of the reasons I could think of that may cause this problem. -More than likely the fuel filter. Last edited by Mk3FirstCar-Mike; 07-26-2011 at 05:57 AM. Reason: Forgot the (most likely) area of my post.

02-07-2011, 03:58 PM	#4
Sonyps307 Lexus & 550's Join Date: May 2010 Location: Baltimore Posts: 526	A 85 supra will not have obd2 it didnt come out intill like 95-96. U will have obd1 and it's out in the engine bay

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