Honda Prelude All Model Preludes

Code 7 (TPS?) and car dying after revving...

Thread Tools
 
Search this Thread
 
Old Oct 13, 2004 | 08:55 AM
  #1  
Daily Interlude's Avatar
Thread Starter
Honda-Tech Member
 
Joined: Oct 2000
Posts: 1,008
Likes: 0
From: Atlanta, GA, USA
Default Code 7 (TPS?) and car hesitating/missing and dying after revving...

EDIT: Drove car home (or should I say limped). It doesn't want to rev past 2K. It hesitates or misses. I get code 7 (TPS) and code 20 (ELD). I'm hoping that TPS is just wiring issue with the VAFC. The other code is going to be there because 88 preludes didn't have ELD.

:END EDIT

Just put back together (tranny swap) my JDM H22. It runs fine and revs fine (other than the Code 7) but when I rev it up say over 3K, when it tries to return to idle, the car dies. Also the VAFC isn't showing any throttle until atleast over 2K and at WOT, it's way off (shows like 20%).

Sound like the TPS gone bad (or can it be adjusted?)? What else would create these symptoms? I don't have a spare TPS sensor or a voltmeter to test wires. Guess it's time to invest in a voltmeter?

Thanks in advance!

BTW, the car ran fine until about a year ago when it was parked to begin the tranny swap. After sitting for a year, it cranked right up but I question the quality of gas that remains in the car (not very much either). I'm going to have a couple of gallons added and let her run for a good 10-15 minutes to work out the old gas the best I can...


Modified by Daily Interlude at 10:39 AM 10/14/2004
Reply
Old Oct 14, 2004 | 04:59 AM
  #2  
Daily Interlude's Avatar
Thread Starter
Honda-Tech Member
 
Joined: Oct 2000
Posts: 1,008
Likes: 0
From: Atlanta, GA, USA
Default Re: Code 7 (TPS?) and car dying after revving... (Daily Interlude)

Update:

Car does not run right afterall. Anything above 2000 and any kind of load even will make the car hesitate. The check engine light flashes while it's doing this and the VAFC seems to go into reboot mode (like maybe loosing power). Seeing as this is an H22 swap in a 3rd gen, I'm thinking wiring. I'll try to take a closer look tonight.

I did verify code 7 is the TPS and seeing as how the VAFC is showing incorrect throttle percentage, it makes sense.

I'm going to rewire the vtec controller if it was installed with the inline connectors as this connection has been known to mess things up. I'll check the wiring in general.

Anyone have a wiring diagram for the VAFC and the P13 JDM ECU? Someone help me out here!
Reply
Old Oct 14, 2004 | 09:15 PM
  #3  
Daily Interlude's Avatar
Thread Starter
Honda-Tech Member
 
Joined: Oct 2000
Posts: 1,008
Likes: 0
From: Atlanta, GA, USA
Default

ttt...anyone have any ideas on what's causing my H22 to run poorly?

Anyone have a spare TPS?
Reply
Old Oct 15, 2004 | 07:49 AM
  #4  
Goinfasterthanu's Avatar
Junior Member
 
Joined: Jul 2003
Posts: 212
Likes: 0
From: Flowery Branch, Ga, usa
Default

jason..hit me up i got a few extra tps's laying around...
Reply
Old Oct 15, 2004 | 09:23 PM
  #5  
Daily Interlude's Avatar
Thread Starter
Honda-Tech Member
 
Joined: Oct 2000
Posts: 1,008
Likes: 0
From: Atlanta, GA, USA
Default Re: (Goinfasterthanu)

Thanks jeremy. Keep them in case I really need them in the future. I was able to adjust the TPS to get it to read right. Also got drivability issues fixed. Car's running decent now though it could use a little more tuning...
Reply
Old Oct 16, 2004 | 05:57 AM
  #6  
specialedition's Avatar
Honda-Tech Member
 
Joined: Jul 2004
Posts: 510
Likes: 0
From: B.F.E, Arkansas, USA
Default Re: (Daily Interlude)

yeah my vafc2 did the same thing as you re blew my tps and caused the car to run like sheat ---- they can easily ground out if you are not careful --- I think they are crap am switching to hondata setup apexi can keep their vafc 2
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Nathan_volcom
Honda CRX / EF Civic (1988 - 1991)
9
Dec 4, 2011 03:01 PM
d601
Honda Prelude
7
Jul 29, 2011 05:04 PM
jdmkid_82
Honda Civic / Del Sol (1992 - 2000)
4
Oct 31, 2008 12:11 AM




All times are GMT -8. The time now is 04:46 AM.