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Help with boost prob

  #1  
Old 08-08-2014, 11:21 AM
Jimmy join's Avatar
1st Gear
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Join Date: Nov 2013
Posts: 9
Default Help with boost prob

When you drive the car normal its fine but on a hard accel. when you get to about 40 say on a on ramp acceleration I get the two lamps on for low boost. Seems to not take off like it used to.
codes although check engine light not on.

P1453 EGT sensor 1 circuit bank 1 open circuit / short circuit to B+
P1423 Bank 1 secondary air system flow to low
P1555 Value above max charge pressure
P0103 Mass or volume air flow circuit high input
P0130 O2 Sensor Circuit B1 S1
P1548 Wastegate bypass regulator valve open circuit.


With all the circuit codes Im leaning toward electrical any common known issues out there?
 
  #2  
Old 08-10-2014, 10:21 AM
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Location: Binghamton, NY
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Clear the codes and then see what comes back - that'll help narrow it down.
 
  #3  
Old 08-11-2014, 07:37 AM
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Unfortunately that is the 2nd time that it has come back with those codes.
 
  #4  
Old 08-13-2014, 01:12 PM
ppgoal's Avatar
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Location: Holland MI
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I'm just playing a hunch, but check your diverter valve. If it's leaking, you lose boost and it could fool the sensors into thinking there is a problem.
 
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