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boost gauge not working

A

Adasm

New member
My boost gauge in the drivers info center on my 97 GTP doesnt seem to be working. As well, the previous owner seems to have a needle style boost gauge installed in the lower dash compartment that also doesnt work. Any ideas where I can start?
 


Find the vacuum line for the aftermarket boost gauge and check it. I would imagine the dic gets its boost reading from the map sensor. I'd start there.
 
Most people use a T connector at the evap as it's closest to the firewall. Check for an unplugged or damaged vacuum line right around where I illustrated for you below.

eng_evap.jpg
 


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