heater core and car running rich

Reply #15 – October 31, 2014, 01:10:58 PM

Making assumptions and diagnosis off a questionable instrument like a vacuum gauge is not what most would consider a good thing to do. Can you get a known vacuum gauge from one of the parts stores in your area as a loaner?

Darren

heater core and car running rich

Reply #16 – October 31, 2014, 04:41:34 PM

So the conclusion is: the vacuum line on the MAP sensor is leaking. The hose is cracked and I could put my finger over it and hear the leak hissing. Looks like she'll be getting a fresh vacuum hose soon! Thanks for your help everyone! Much appreciated and I learned a lot!