2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
Sponsored by:

T2 Ecu

Thread Tools
 
Search this Thread
 
Old 01-25-02, 02:05 AM
  #1  
Rotary Enthusiast

Thread Starter
 
StarionX's Avatar
 
Join Date: Jan 2002
Location: Australia
Posts: 823
Likes: 0
Received 0 Likes on 0 Posts
T2 Ecu

From what I can gather, it seems that the problem with the 'Warm engine No start', is related to a problem with the Ecu. Also, the Ecu has a history of having bad solder points, which I believe relate to the numerous electrical problems (correct me if I'm wrong). This being the case, would replacing the Ecu with an aftermarket (like the Haltech), resolve these issues?
Old 01-25-02, 02:09 AM
  #2  
I Raise Chickens

 
cymfc3s's Avatar
 
Join Date: Jul 2001
Location: Half Moon Bay, CA
Posts: 1,219
Received 35 Likes on 17 Posts
Re: T2 Ecu

Originally posted by StarionX
From what I can gather, it seems that the problem with the 'Warm engine No start', is related to a problem with the Ecu. Also, the Ecu has a history of having bad solder points, which I believe relate to the numerous electrical problems (correct me if I'm wrong). This being the case, would replacing the Ecu with an aftermarket (like the Haltech), resolve these issues?
Warm starts are usally caused by cars that need a good tune up. Plugs, wires, leaky injectors. Not entirely related to the ECU. Actually the ECU's rarely go bad on these cars. You might be thinking about the CPU. Try putting a timing light up to it, changing the plugs and wires.
Old 01-25-02, 02:27 AM
  #3  
Rotary Enthusiast

Thread Starter
 
StarionX's Avatar
 
Join Date: Jan 2002
Location: Australia
Posts: 823
Likes: 0
Received 0 Likes on 0 Posts
Re: Re: T2 Ecu

Originally posted by cymfc3s


Warm starts are usally caused by cars that need a good tune up. Plugs, wires, leaky injectors. Not entirely related to the ECU. Actually the ECU's rarely go bad on these cars. You might be thinking about the CPU. Try putting a timing light up to it, changing the plugs and wires.
Are we talking about the same thing? I'm talking about the 'no start' problem where you need to put in a fuel cut switch. I have actually had NEW Mazda injectors installed, as well as new plugs and wires. They did nothing to fix the problem.
Ummmm, I thought the Ecu WAS the Cpu... I guess I'm mistaken (can someone explain what they both are?). As you can probably tell, I'm not too mechanically minded.
Old 01-25-02, 02:30 AM
  #4  
I Raise Chickens

 
cymfc3s's Avatar
 
Join Date: Jul 2001
Location: Half Moon Bay, CA
Posts: 1,219
Received 35 Likes on 17 Posts
The CPU controls the clock, warning lights, beeps and crap like that. The ECU or PCM controls engine functions. 87-88 turboII's flooded new from the factory, so you may never get rid of the problem. Best trick is the fuel pump cut switch. =]
Old 01-25-02, 02:51 AM
  #5  
Rotary Enthusiast

Thread Starter
 
StarionX's Avatar
 
Join Date: Jan 2002
Location: Australia
Posts: 823
Likes: 0
Received 0 Likes on 0 Posts
Originally posted by cymfc3s
The CPU controls the clock, warning lights, beeps and crap like that. The ECU or PCM controls engine functions. 87-88 turboII's flooded new from the factory, so you may never get rid of the problem. Best trick is the fuel pump cut switch. =]
Ahhhh, I see. So I take it then that the cpu is the pc board behind the light cluster display where the clock is, and the ecu is behind the kick panel on the driver's side?
Does the Cpu also control interior lights, factory alarm and the power antennae? These 3 things drive me insane!! On any given day, a combination of those 3 will not function. The next day a different combination will not work... it's driving me to

I did finally get a kill switch installed, which resolved the no-start problem.
Old 01-25-02, 01:13 PM
  #6  
HAILERS

 
HAILERS's Avatar
 
Join Date: May 2001
Location: FORT WORTH, TEXAS,USA
Posts: 20,563
Likes: 0
Received 21 Likes on 19 Posts
CPU be like that black plastic outfit with three plugs and is located next to your fuse box near your left foot. The ECU, well we hid that item under the ***** of the passengers feet. You have to rip your rug up and you'll see the steel plate thaat protects the ECU. You have to remove that plate to get to the ECU. That thing on top of the dash with/without the clock is the POORLY SOLDERED IDIOT LIGHT ASSY. CRIMINAL ACT IN PLACE.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Erosangel
3rd Generation Specific (1993-2002)
6
09-18-15 10:28 PM
Erosangel
3rd Generation Specific (1993-2002)
5
09-18-15 04:06 PM



Quick Reply: T2 Ecu



All times are GMT -5. The time now is 02:15 PM.