I throw a po305 misfire code when engine
down shifts going 75 miles per jour or will throw code when letting off throttle getting off of the freeway
JA: Have you seen the misfire code before? Has the car been stalling?
Customer: No the the suburban does not stall it starts great and even idles good
JA: What is the model/year of your Chevy?
Customer: 1999 5.7l
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Yes , just trying to get ideas qhee to look
JA: Anything else you think the mechanic should know?
Customer: I thought i had a bad air leak between the massairflow and throttle body but i sealed it so that has been cured
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Chevy Mechanic about your situation and then connect you two.