91 CRX HF w/ D16A6 swap, PM5 ECU - Rev limiter at 3,400 RPM & Idles at 2,000 RPM

Thread Tools
 
Search this Thread
 
Old 12-11-2006, 02:21 PM
  #1  
Honda-Tech Member
Thread Starter
 
Mike Diaz's Avatar
 
Join Date: Mar 2004
Location: Charlotte, NC
Posts: 67
Likes: 0
Received 1 Like on 1 Post
Default 91 CRX HF w/ D16A6 swap, PM5 ECU - Rev limiter at 3,400 RPM & Idles at 2,000 RPM

I'm having a problem with my 91 CRX. My car ran fine up until 2 weeks ago. The car stalled on me while driving, and I had some clicking going on at the main relay. I cleaned all my ground and double checked all my wiring just to be sure, it straightened out the stalling.

Now when I start the car, the car runs smooth. I get a solid check engine light, my idle is about 1900-2000 RPM, and it feels like I have a rev limiter at about 3,400 RPM. The red LED on the ECU is not blinking, but it is on.

I need to know where to start. ECU? Distributor? I'm so lost without my car, please help.

Does anybody around Ohio have a PM5 computer? My buddy runs an import junkyard and we were trying to find out what other cars came with the PM5 ECU stock.

Any help is appreciated.
Old 12-11-2006, 02:47 PM
  #2  
Honda-Tech Member
 
green91's Avatar
 
Join Date: Jun 2003
Location: Dahlonega, Ga, USA
Posts: 1,646
Received 0 Likes on 0 Posts
Default

The problem is a pm5 is a DPFI ecu for a DX and the HF and Si (d16a6) come with MPFI stock.. you need a pm6 ecu
Old 12-11-2006, 05:22 PM
  #3  
Honda-Tech Member
 
doublethink's Avatar
 
Join Date: Feb 2004
Location: long island, ny, usa
Posts: 3,262
Likes: 0
Received 2 Likes on 2 Posts
Default Re: (green91)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by green91 &raquo;</TD></TR><TR><TD CLASS="quote">The problem is a pm5 is a DPFI ecu for a DX and the HF and Si (d16a6) come with MPFI stock.. you need a pm6 ecu</TD></TR></TABLE>


im also curious how you ran a mpfi motor with only 2 injector outputs...???

did it have any CEL's before?
Old 12-11-2006, 05:27 PM
  #4  
Honda-Tech Member
 
charlee's Avatar
 
Join Date: Mar 2006
Location: AZ
Posts: 929
Likes: 0
Received 1 Like on 1 Post
Default Re: (doublethink)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by doublethink &raquo;</TD></TR><TR><TD CLASS="quote">


im also curious how you ran a mpfi motor with only 2 injector outputs</TD></TR></TABLE>

x2
Old 12-12-2006, 04:57 AM
  #5  
Honda-Tech Member
Thread Starter
 
Mike Diaz's Avatar
 
Join Date: Mar 2004
Location: Charlotte, NC
Posts: 67
Likes: 0
Received 1 Like on 1 Post
Default Re: (charlee)

It does still run on the PM5 ECU, and ran perfectly before I had problems.
Old 12-12-2006, 08:45 AM
  #6  
Honda-Tech Member
iTrader: (1)
 
rice a roni's Avatar
 
Join Date: Sep 2003
Location: WI
Posts: 2,425
Likes: 0
Received 0 Likes on 0 Posts
Default Re: (Mike Diaz)




its the ecu dude...if your running a d16a6 get a pm6.
Old 12-12-2006, 08:56 AM
  #7  
Honda-Tech Member
 
crxnj's Avatar
 
Join Date: Oct 2004
Location: nj
Posts: 5,866
Likes: 0
Received 1 Like on 1 Post
Default Re: (rice a roni)

listen to these guys,,get a pm6 ecu and wire it right..how you have it wired now running 4 injectors with a 2 injector ecu is "rigged" for sure..
Old 12-13-2006, 05:31 AM
  #8  
Honda-Tech Member
iTrader: (1)
 
rice a roni's Avatar
 
Join Date: Sep 2003
Location: WI
Posts: 2,425
Likes: 0
Received 0 Likes on 0 Posts
Default Re: 91 CRX HF w/ D16A6 swap, PM5 ECU - Rev limiter at 3,400 RPM & Idles at 2,000 RPM (Mike Diaz)

glowing non blinking ecu means faulty ecu...just to let you know
Old 12-13-2006, 03:16 PM
  #9  
 
cbp_crx's Avatar
 
Join Date: Nov 2004
Location: iowa, USA
Posts: 1,265
Likes: 0
Received 0 Likes on 0 Posts
Default Re: 91 CRX HF w/ D16A6 swap, PM5 ECU - Rev limiter at 3,400 RPM & Idles at 2,000 RPM (rice a roni)

why do all of you guys ask questions over on crx community, then when you get an answer you dont like, you come here and ask it, and you get the same answer. I guess you all dont realize, that most the people over there are here too.
Old 12-14-2006, 12:48 PM
  #10  
Honda-Tech Member
Thread Starter
 
Mike Diaz's Avatar
 
Join Date: Mar 2004
Location: Charlotte, NC
Posts: 67
Likes: 0
Received 1 Like on 1 Post
Default Re: 91 CRX HF w/ D16A6 swap, PM5 ECU - Rev limiter at 3,400 RPM & Idles at 2,000 RPM (cbp_crx)

Look at the post times. I posted both around the same time.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
EvanPoinsett
Honda CRX / EF Civic (1988 - 1991)
8
10-03-2008 03:52 PM
tigueremalo
Honda CRX / EF Civic (1988 - 1991)
3
07-16-2006 09:37 PM
DreamAccord
Honda CRX / EF Civic (1988 - 1991)
18
05-19-2004 07:02 PM
riceball777
Acura Integra
9
06-04-2003 09:46 AM
SohcVtecCrix
Honda CRX / EF Civic (1988 - 1991)
9
09-14-2002 07:23 AM



Quick Reply: 91 CRX HF w/ D16A6 swap, PM5 ECU - Rev limiter at 3,400 RPM & Idles at 2,000 RPM



All times are GMT -8. The time now is 02:01 PM.