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Ask Peter Bagley Your Own Question
Peter Bagley
Peter Bagley, Toyota mastertech
Category: Car
Satisfied Customers: 510
Experience:  master tech at Toyota dealer
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Runs rough and idles with a miss driving it either goes or

Customer Question

Runs rough and idles with a miss driving it either goes or stutters it shows Rpms but won't go?
JA: Is the rough idle intermittent or consistent?
Customer: Consistent
JA: What is the make/model/year of your car?
Customer: 91 Mazda b2600i 2wd
JA: Are you fixing your B2600i yourself? What have you tried so far?
Customer: Yes I am.. mass air flow plugs wires cap rotor ecm
JA: Anything else you want the mechanic to know before I connect you?
Customer: Not that I can think off
Submitted: 2 months ago.
Category: Car
Expert:  Peter Bagley replied 2 months ago.

Hello and welcome to just answer, my name is ***** ***** master tech hear to help. I cannot see or hear your vehicle so I rely on your input so I can help you better. I read your notes and have a question before we start. Did your vehicle have an engine light on before you replaced the ECU or now?

Customer: replied 2 months ago.
No it shorted intrenally
Expert:  Peter Bagley replied 2 months ago.

So does it have an engine light on now?

Expert:  Peter Bagley replied 2 months ago.

Can you isolate which cylinders are effected/

Expert:  Peter Bagley replied 2 months ago.

Have you got a vacuum gauge and a tachometer?

Customer: replied 2 months ago.
it's cyl 2 and 4 and no check engine light
Expert:  Peter Bagley replied 2 months ago.

Ok I would like to do a vacuum test on it first to see if there is any vacuum leak. Then if that checks out to move the injectors that are bad to good cylinders to see if that miss follows them.