Map sensor Voltages - PassionFord - Ford Focus, Escort & RS Forum Discussion

General Car Related Discussion. To discuss anything that is related to cars and automotive technology that doesnt naturally fit into another forum catagory.

Map sensor Voltages

Reply

 
 
 
Old 29-08-2015, 09:30 PM
  #1  
Tim Wharton
Part of the Furniture
Thread Starter
 
Join Date: Nov 2009
Location: Tunbridge wells Kent
Posts: 163
Thanks: 0
Thanked 14 Times in 14 Posts
Default Map sensor Voltages

I've just rebuilt my cosworth engine and have changed to 803 injectors , 3 bar map sensor and remapped ECU chip to suit.

I am using non-genuine map sensor ie not (magnetti Marelli) as I have read horror story's about incorrect fueling damaging engines I wish to test all my sensors are giving the correct outputs.
I have a breakout box and Y lead so can access all the output voltages from sensors to the ECU.

Can anyone give me a chart of voltage against pressure for a 3 bar

Cheers Tim
Tim Wharton is offline  
Reply With Quote
Old 29-08-2015, 09:40 PM
  #2  
1300gt
PassionFord Regular
iTrader: (2)
 
Join Date: Oct 2009
Location: England
Posts: 360
Thanked 3 Times in 3 Posts
Default

If your using a BOB make sure you check it for voltage drop on live and earth sides when it's all connected up as you need to see battery voltage or your readings will be off!


I've not here'd that about the genuine map sensor?

Last edited by 1300gt; 29-08-2015 at 09:45 PM.
1300gt is offline  
Reply With Quote
The Following User Says Thank You to 1300gt For This Useful Post:
Richie. (30-08-2015)
Old 29-08-2015, 10:22 PM
  #3  
fraser9764
PassionFord Post Troll
iTrader: (3)
 
fraser9764's Avatar
 
Join Date: Oct 2006
Location: Cheshire
Posts: 3,070
Thanked 29 Times in 23 Posts
Default

fraser9764 is offline  
Reply With Quote
Old 29-08-2015, 10:24 PM
  #4  
fraser9764
PassionFord Post Troll
iTrader: (3)
 
fraser9764's Avatar
 
Join Date: Oct 2006
Location: Cheshire
Posts: 3,070
Thanked 29 Times in 23 Posts
Default

You really need some form of pressure/vacuum source to test the sensor calibration. A mitivac is ideal
Like this
http://www.ebay.co.uk/itm/Mityvac-MV...item48787e1923
Handy to have in the garage to be honest. Good for bleeding brakes etc. too.
fraser9764 is offline  
Reply With Quote
Old 30-08-2015, 06:46 PM
  #5  
Tim Wharton
Part of the Furniture
Thread Starter
 
Join Date: Nov 2009
Location: Tunbridge wells Kent
Posts: 163
Thanks: 0
Thanked 14 Times in 14 Posts
Default

Hi Fraser

Many thanks for the map sensor voltage chart

I have got a good quality workshop boost gauge and I use my cooling system pressure tester to give pressure.
I may make a permanent link to the relevant ECU wire so I can check it on the road with the boost gauge connected and a Mate taking readings
Cheers Tim
Tim Wharton is offline  
Reply With Quote
 
 
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
abz474
Cars for Sale
9
01-11-2015 07:53 PM
mark94
Ford Mondeo
3
02-10-2015 04:00 PM
jay030787
Ford Escort RS Turbo
0
25-09-2015 02:38 AM


Thread Tools
Search this Thread
Quick Reply: Map sensor Voltages


Contact Us Archive Advertising Cookie Policy Privacy Statement Terms of Service

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.