Home / Toyota Supra Forums

Go Back   Toyota Supra Forums! Join the Supra forum! > Performance, Modification, and Maintenance Forums - for generation specific discussions > MKIII Supra

Reply
 
Thread Tools Display Modes
Old 05-05-2009, 04:33 AM   #1
dunewarz
3" Exhaust
 
Join Date: May 2009
Location: WhiteBear
Posts: 54
dunewarz is on a distinguished road
Default Idle and bogging problem...

2 years ago I ran into a pond of rain about 2 feet deep and flooded my engine. It flooded from the lower intercooler piping not from the intake pipe, so the map(maf) sensor should be fine. After I replaced the head gasket along with the head bolts and got the car running I found the car idleing around 1500 - 2000 rpm. I've tried to adjust tps screw all the way down but no luck, it's still reving at 1500 rpm.

When I get on the gas pedal the car boggs out. But when I slowly step on the gas pedal sometimes it will go up to 4000 rpm then bog out. I also hear a loud hissing noise from the injector side of the engine. I checked all the vacuum lines and none are leaking.

Could this be a tps problem or maybe dirty mainfold? The loud hissing sound seems to be coming from the fuel regulator sitting the the fuel rail by the firewall not sure. Does anyone know if there is a vacuum line behind the engine by the firewall? I do get up to 6psi on the turbo but the engines rpm doesn't rise.
Could it be the idle air control valve? Does the supra have one...

Thanks for the help and sorry for the long post.

Last edited by dunewarz; 05-05-2009 at 05:50 AM. Reason: More info added
dunewarz is offline   Reply With Quote
Old 05-06-2009, 07:21 AM   #2
dunewarz
3" Exhaust
 
Join Date: May 2009
Location: WhiteBear
Posts: 54
dunewarz is on a distinguished road
Default

Alright just for reference I've fixed the problem. My timing was off, iscv was dirty and broken, tps spring was dead. Lucky I had a spare tps lying around. I cleaned my iscv and adjusted it manually for correct engine idle.
dunewarz is offline   Reply With Quote
Reply

Tags
86.5 supra, 87 supra, flooded, high idle, supra

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Forum Jump


All times are GMT. The time now is 02:59 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2019, vBulletin Solutions, Inc.

1986



1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86