B Blown86GT Member Joined May 30, 2001 Feb 16, 2003 #1 My buddy has a 87 Grand National and I'm wanting to check if I might have a bad MAP sensor for my speed pro setup. The Grand National MAP sensor is a 2 bar sensor, correct? This should work for troubleshooting purposes right? Paul
My buddy has a 87 Grand National and I'm wanting to check if I might have a bad MAP sensor for my speed pro setup. The Grand National MAP sensor is a 2 bar sensor, correct? This should work for troubleshooting purposes right? Paul
J jastrckl Weapon of MAF destruction Joined Jul 29, 2002 Feb 16, 2003 #2 it's 2 bar, yes. tta's are 3 bar.
T Trbobuick Boost addict Joined Sep 1, 2001 Feb 16, 2003 #3 Stock gn's have a one bar map. Remember..it was just for the boost gage not any other function.
S S10xGN RETIRED! Joined May 26, 2001 Feb 16, 2003 #4 Originally posted by Trbobuick Stock gn's have a one bar map. Remember..it was just for the boost gage not any other function. Click to expand... True, but it's got to be a 2-bar MAP anyway, as a 1-bar MAP will only show vacuum from -28" to "0".
Originally posted by Trbobuick Stock gn's have a one bar map. Remember..it was just for the boost gage not any other function. Click to expand... True, but it's got to be a 2-bar MAP anyway, as a 1-bar MAP will only show vacuum from -28" to "0".
B Blown86GT Member Joined May 30, 2001 Feb 17, 2003 #5 Thats why I thought GN came with a 2 bar sensor...to show boost right? With a one bar, unless I'm missing something, it would only show vacuum. Paul
Thats why I thought GN came with a 2 bar sensor...to show boost right? With a one bar, unless I'm missing something, it would only show vacuum. Paul
C Craig Smith That was easy! Joined May 25, 2001 Feb 17, 2003 #6 Yes, the GNs came with a 2 bar sensor, definitely.
6 6TURBOV6 New Member Joined Jun 13, 2001 Feb 17, 2003 #7 I have two MAP sensors. How can you tell if they are 2 bar or 3 bar sensors? Thanks, Robert
