fault code probs for ecu

123 gtir

New Member
ok dude thourt i blown a piston but all ok thank god
the engine check light is on so done a ecu fault check im getting 21+11

not sure what to do next i read its a power transistor unit not sure what this is or were to find it a m8 help me out on the ecu check but not sure what to do next any help on this will be great guys,,, any for info let me know
if it helps the car start but no power is going to the coil to make a spart to fire up enginr not good with words hope this makes a little sence


thank you hope you can save me some money

p.s the compresion test all came out as all pistons were 200 psi is that good or bad all read the same so i know thats good i suppose got forge pistons in :>
 

Fast Guy

Moderators
Staff member
According to the sticky, if you get 21 and 11 at the same time, sort the CAS out first. ie the 11. CAS is inside the dizzy.
 
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