Thread: Old wren help
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Old 11-27-2017, 02:49 PM
ira d
Join Date: May 2003
Location: Maricopa County AZ
Posts: 3,202
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Seems that battery should start it, also check the things that slick 33 suggested. I assume you have purged the fuel lines and fuel is right at the engine and you should be able to see the fuel in the line and observe if
the fuel starts to move as soon as the engine lights of on gas, if not it would suggest the ECU is not seeing a temp rise although I would think it would indicate low temp but it could also be a fuel pump or valve issue.

I dont own a Wren but I have a friend that has one and I am thinking when you check the pump in test mode it receives more power than when at start up and a tight pump may not run but will in test mode.