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P0335, stabililink, traction control plus long start

Pulvi

Full Member
Joined
Nov 11, 2020
Messages
10
Hi group
Got an 08 avy 5.3 great truck but high milage 350,000kms about 210,000 miles. Well it came with a problem. Stabililink needs service traction control needs service throwing code p0335 probably couple more messages need service to lol. Thing is this all happened at once. Running driving great then this. Changed the crank shaft sensor no change. Tested the ckp plug with key on I get 5 volts on the purple 0 on the middle wire and 0 one the last wire. I've seen others have had this problem on other sites but can't seem to find a solution. Any help would be great thanks in advance
 
Can you explain the "long start". If it's the same issue that mine had it might be the fuel pump
 
Takes 3-5 seconds of cranking to start. Starts sluggish but smooths out lakes power plus no tach. It went dead the same time the rest happens
 
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