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Ask Chris(aka-Moose) Your Own Question
Chris(aka-Moose), Nissan Technician
Category: Nissan
Satisfied Customers: 621
Experience:  16 years of experience
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Multiple misfire, 234567 seem to be random p507 and p1148,

Customer Question

Multiple misfire
JA: How many miles are on the car? Is it a steady misfire? Or random?
Customer: 234567 seem to be random p507 and p1148
JA: What is the model of your '232567 Nissan?
Customer: 2005 altima 2.5s
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Changed boots and spark plugs and yes myself
JA: Anything else you think the mechanic should know?
Customer: Car idles very rough and shakes in drive when ac on
Submitted: 1 year ago.
Category: Nissan
Expert:  Wayne Crawford replied 1 year ago.

Hello. My name is ***** ***** I will be helping you today.

Its most likely a bad Mass Airflow Sensor.

Do you have a multimeter to do some testing?