Performance & Maintenance Engine, forced induction, intakes, exhausts, torque converters, transmissions, etc.

CAR still running weird

Thread Tools
 
Search this Thread
 
Old 10-08-06, 11:45 AM
  #1  
1JZ300
Lexus Test Driver
Thread Starter
iTrader: (6)
 
1JZ300's Avatar
 
Join Date: Jul 2006
Location: NY
Posts: 1,486
Likes: 0
Received 0 Likes on 0 Posts
Default CAR still running weird

we gapped the plugs to 28 and fuel is set to 64PSI, the problem is the car will boost to about 4lbs and then act like a cut off, like it wants to boost and doesnt....help me out, car ran fine when first installed and tested, now its going to ****, i need help
Old 10-08-06, 11:46 AM
  #2  
Rising_Sun
Lexus Champion
iTrader: (2)
 
Rising_Sun's Avatar
 
Join Date: Jan 2005
Location: New York
Posts: 2,138
Likes: 0
Received 4 Likes on 4 Posts
Default

Have you checked the vacuum line to your map sensor?
Old 10-08-06, 12:31 PM
  #3  
Dew23
Lexus Champion
iTrader: (1)
 
Dew23's Avatar
 
Join Date: Feb 2002
Location: Florida
Posts: 1,734
Received 0 Likes on 0 Posts
Default

Originally Posted by 1JZ300
we gapped the plugs to 28 and fuel is set to 64PSI, the problem is the car will boost to about 4lbs and then act like a cut off, like it wants to boost and doesnt....help me out, car ran fine when first installed and tested, now its going to ****, i need help
Why is your base fuel pressure so high have mine set at 42psi.
Old 10-09-06, 11:50 AM
  #4  
1JZ300
Lexus Test Driver
Thread Starter
iTrader: (6)
 
1JZ300's Avatar
 
Join Date: Jul 2006
Location: NY
Posts: 1,486
Likes: 0
Received 0 Likes on 0 Posts
Default

map sensor was unplugged good call....also i set the fuel down to 43, runs good now, now i need to tune it........
Old 10-09-06, 12:40 PM
  #5  
ConSynX
Lexus Test Driver
iTrader: (1)
 
ConSynX's Avatar
 
Join Date: Oct 2005
Location: PA
Posts: 1,052
Likes: 0
Received 2 Likes on 1 Post
Default

can't believe it ran w/o the map sensor

glad u figured it out
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
imjohnphan
GS - 4th Gen (2013-2020)
7
01-20-22 11:58 AM
takadakeyo
IS - 2nd Gen (2006-2013)
19
02-14-21 11:36 AM
is350sppkg
IS - 2nd Gen (2006-2013)
2
11-21-15 11:10 AM



Quick Reply: CAR still running weird



All times are GMT -7. The time now is 03:57 PM.