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My van has a check engine code of p1345 ignition control and also a secondary emission control what is that. I also notice the fuel pump may be going out. today i had to bang on bottom of tank to get pump working. Guessing that is separate from the code though.
94 buick roadmaster with auto climate control Blower runs all the time will speed up and down with key on but will not stop even when key off checked grey black wire at blower resistor has low voltage after key off. no relays under hood for hvac. only relay by blower motor is for rear defogger. where would the relay be located.
I have two buicks a 93 and 94 roadmasters both batteries go dead over night or two. On the 93 i had to install a separate relay to bypass heater control it solved problem but is crued. On the 94 I actually can hear the blower fan go on and off with the keys out of the ignition. this must be a fairly common problem or i must be very lucky. Both cars have the automatic heat control. What could it be?