C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Feb 16, 2003 | 03:49 PM
  #1  
BLESSED427's Avatar
BLESSED427
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From: Castle Rock Wash.
Default Codes

I have a stalling problems I am tring to solve, the engine always starts with no problems after stalling, which happened again last night. My question today is, I checked for codes this morning and was given a code of "34", the book says this is either MAF or MAP sensors. would either one of these sensors being faulty cause staling?
Thanks
Paul
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Old Feb 17, 2003 | 12:30 AM
  #2  
Sam Lam's Avatar
Sam Lam
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From: St. Charles, MO Route 66 Corvette Club
Default Re: Codes (BLESSED427)

A quick check of my Helms manual reveals that a code 34 is "a low air flow" for at least one second when the engine is first started or RPM is above 600. This suggests problems with the Mass Air Flow sensor. I would get a scan tool and check out the MAF. This puppy is not cheap! Good Luck!
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Old Feb 17, 2003 | 01:02 AM
  #3  
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65Z01
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From: SE NY
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Default Re: Codes (BLESSED427)

You have a MAF sensor.

Look into the MAF bore just after someone turns off the engine to see if the sensor wires glow red for two seconds. If not replace the burn off relay; if so replace the power relay.

Also check the IAC setting of base idle
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