Notices
New Member Forum A place for new members to get their feet wet

Is my PCM really toast?

Thread Tools
 
Search this Thread
 
Rate Thread
 
Old 03-24-2019, 04:34 PM
  #1  
New Member
Thread Starter
 
RainX8's Avatar
 
Join Date: Mar 2019
Location: IE Southern California
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts
Is my PCM really toast?

I was told my PCM was burnt from an unreliable source so I thought maybe you guys can lead me the right way to getting my 05' RX-8 running again. As for now it cranks but no start. I hooked up an Elm 326 Bluetooth obd2 doggle with Torque pro & it's say it connected to the ECU so does that mean the PCM is ok?
Old 03-24-2019, 07:21 PM
  #2  
Registered
iTrader: (1)
 
Loki's Avatar
 
Join Date: Jun 2009
Location: Montreal
Posts: 7,723
Received 957 Likes on 835 Posts
Need a lot more info, but it's probably not the ECU. It's suuuper uncommon for the computer to die unless someone reverses polarity while jump starting the car or something like that.

It could just be flooded. Google deflood procedure, its simple. Pulls the plugs and clean them off.
How old are the ignition coils? They only last about 30k miles and kill engines when they go so check that.
When did the car last run? Any other recent problems?
Old 03-25-2019, 10:55 AM
  #3  
New Member
Thread Starter
 
RainX8's Avatar
 
Join Date: Mar 2019
Location: IE Southern California
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts
It only has 67k miles on it. The coil-pack & plugs were replaced along with fuel pump. So is the PCM good if the scanner connects to it?
Old 03-25-2019, 11:58 AM
  #4  
What am I doing here?
 
NotAPreppie's Avatar
 
Join Date: Mar 2006
Location: 2017 Miata RF Launch Edition
Posts: 3,606
Received 649 Likes on 510 Posts
Possibly.
The scanner connecting rules out a few failure modes but it doesn't mean that the PCM is fully functional.
Old 03-25-2019, 12:15 PM
  #5  
Registered
iTrader: (1)
 
Loki's Avatar
 
Join Date: Jun 2009
Location: Montreal
Posts: 7,723
Received 957 Likes on 835 Posts
Does it return any codes via your reader?
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
mattyp716
Series I Tech Garage
7
11-15-2015 11:09 PM
maguirre_94
RX-8 Discussion
6
06-30-2015 10:22 PM
budden
New Member Forum
30
02-23-2015 09:39 AM
Jamaica Phillip
Series I Trouble Shooting
11
04-25-2012 09:15 AM
rotarygod
Series I Engine Tuning Forum
16
12-20-2003 06:18 PM



You have already rated this thread Rating: Thread Rating: 0 votes,  average.

Quick Reply: Is my PCM really toast?



All times are GMT -5. The time now is 05:00 PM.