idlen on 1999 Mazda 626

so u think it cud be da intake manafold gasket?

Asked by for the 1999 Mazda 626
1 answer
Yes, it could be the intake manifold gasket, or something else. You need to isolate the leak, it could be a hose under the manifold too. Use a spray bottle with water, that way you can pinpoint the leak more precisely.