UK Car Repair Questions? Ask a Mechanic for Answers ASAP
I am sorry for the long wait
is there anyway you can find out what codes or code is set in the computer as history codes or current codes ?
if the check engine light did come on and the battery was not disconnected there should be a code or codes set in the computers history
once we know what codes are set we will have a very good idea what is wrong
and both will reset after the codes are cleared ?
and it has a brand new GM crank sensor ?
with both of those crank sensor codes being set with a brand new GM crank sensor this issue will come down to one of the 3 wires from the crank sensor to the computer being bad or the connection and terminals right at the crank sensor are bad or the computer bad
most of these issues are corrected by being sure the 3 wires from the crank sensor to the computer are good and the connections and terminals are good at the computer
if those check out replace the crank sensor connector and shrink wrap in the new wires that come with the new crank sensor connector to the existing wires one at a time so they do not get mixed up then have them perform a crank sensor relearn with the scan tool
if by chance it still sets these 2 codes try another crank sensor if it still sets the codes the computer is bad
how are you making out ?
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then the only thing left is a defective crank sensor or a bad computer or terminals at the computer or crank sensor since the wires are tested good