I give up...

Chambers · 09-02-2007, 06:33 PM

Theres a idle control screw in/on the throttle body, check that to see if its there. Its on the opposite side of the oil breather lines facing the front of the car.

supramacist · 09-02-2007, 10:34 PM

Right off I'm thinking fuel pump.
Fuel filter.

Supra2NR · 09-03-2007, 01:11 AM

Quote:

Originally Posted by supramacist

Right off I'm thinking fuel pump.
Fuel filter.

if the fuel pump is screwed, wouldnt it not start at all?

supramacist · 09-03-2007, 12:38 PM

I thought about that after i posted and then thought fuel filter.

Yes. It wouldn't fire up if you weren't getting any gas.

My 91 has 2 filters.
One is in the tank and the other is under the body up under the rear seats.

btwilson86 · 09-03-2007, 05:28 PM

I had a similair problem, my motor would sputter when started up and would die unless I kept it above 1700 RPMs... Check to make sure your vacuum lines aren't cracked and are routed correctly. I had two go to the wrong place, switched them around, and now she purrs at a good 700 RPMs, nice and strong.

supradaddy0803 · 09-04-2007, 12:21 AM

Make sure that when you put the intake manifold back together you didnt get a bracket or something stuck between them because it causes a nasty vaccum leak. When you get it running like you said have someone give it gas and look to see if your exhaust manifold is glowing red that is a dead give away that it has a vaccum leak somewhere and it is running lean.

carfanatic89 · 09-04-2007, 01:28 AM

This happend to me, When i put on the exgaust manifold i didnt put the heat shield on and it melted the intake tube and put a hole in it. I didnt think about the small things. When i melted the tube, I threw about 100 buck at the car in parts and all it was, was a hole in the Intake tube. It could also be the TPS or the Massairflow sensor, make sure these are pluged in there easy to miss.

09-02-2007, 06:33 PM	#1
Chambers walbro fp Join Date: May 2007 Location: USA - Harford County, Maryland Posts: 481	Theres a idle control screw in/on the throttle body, check that to see if its there. Its on the opposite side of the oil breather lines facing the front of the car. Last edited by Chambers; 09-02-2007 at 06:37 PM.

09-03-2007, 05:28 PM	#5
btwilson86 Super Moderator Join Date: May 2007 Location: Billings, Montana Posts: 1,034	I had a similair problem, my motor would sputter when started up and would die unless I kept it above 1700 RPMs... Check to make sure your vacuum lines aren't cracked and are routed correctly. I had two go to the wrong place, switched them around, and now she purrs at a good 700 RPMs, nice and strong. __________________ 1989 7MGTE R154 Targa Top White Package w/Blue Interior Driftmotion 57trim CT26, Upgraded Intercooler, 2.25" Hard Pipes, 3" Turbo Back Exhaust with Test Pipe, HKS VPC w/GM 3 bar MAP sensor, APEXi S-AFC, Walbro 255lph fuel pump, ProSport EVO Series Boost / Fuel Pressure / AFR gauges, Lotek a Pillar Gauge Pod, HKS Type 0 Turbo Timer, Eibach Lowering Springs, Tokico Illumina II TEMS struts, custom powder coated Motegi Racing TrakLite wheels

09-04-2007, 12:21 AM	#6
supradaddy0803 12psi boost Join Date: May 2006 Location: Athens, TX Posts: 308	Make sure that when you put the intake manifold back together you didnt get a bracket or something stuck between them because it causes a nasty vaccum leak. When you get it running like you said have someone give it gas and look to see if your exhaust manifold is glowing red that is a dead give away that it has a vaccum leak somewhere and it is running lean. __________________ 1987 supra NA 5 speed 1JZGTE swap Tokico Illumina 2 and Eibach springs Tokico pillow blocks Suspension Techniques front and rear sway bar HKS super dragger cat-back exhaust plus test pipe Greddy Profec B spec 2 boost controller HKS type 1 turbo timer Supra sport solid steel drive shaft Walboro 255 fuel pump JZA70 Front end mod 18" Volk Racing AV3 18x8.5 front 18x9.5 rear

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09-02-2007, 10:34 PM	#2
supramacist 1000whp postwhore Join Date: Apr 2007 Location: Escape from the Prison Planet Posts: 1,356	Right off I'm thinking fuel pump. Fuel filter.

09-03-2007, 12:38 PM	#4
supramacist 1000whp postwhore Join Date: Apr 2007 Location: Escape from the Prison Planet Posts: 1,356	I thought about that after i posted and then thought fuel filter. Yes. It wouldn't fire up if you weren't getting any gas. My 91 has 2 filters. One is in the tank and the other is under the body up under the rear seats.

09-04-2007, 01:28 AM	#7
carfanatic89 3" Exhaust Join Date: Apr 2007 Location: Waco Posts: 164	This happend to me, When i put on the exgaust manifold i didnt put the heat shield on and it melted the intake tube and put a hole in it. I didnt think about the small things. When i melted the tube, I threw about 100 buck at the car in parts and all it was, was a hole in the Intake tube. It could also be the TPS or the Massairflow sensor, make sure these are pluged in there easy to miss.