What's the cause of these actual error codes

Po300 & 304 also po076


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jmc1983 made a comment.
6 days 12 hours ago

Not sure what's the cause have tried a few things but runs for about five to ten minutes then shuts down after idling real rough, have driven a couple of times but have stopped since the exhaust under the engine was glowing red



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Pen teller made a comment.
3 days 20 hours ago

Let's look at the meanings of these codes and it might help you.


P0076 means '' Intake Valve Control Solenoid Circuit Low (Bank 1)''

The cause of this can be a couple of things including:

1. A poor connection in the intake valve control solenoid circuit low bank 1

2. An open or short wiring

3. A faulty valve


P0030  means ''HO2S Heater Control Circuit (Bank 1 Sensor 1)''

Reasons behind it are multiple and can include:


1. A complete faulty piece that needs to be replaced

2. A problem with the connection

3. A short circuit P0034 means '' A problem with the powertrain control module (PCM)''

The reasons for this fault can include:


1.  The complete module might need to be replace if it is faulty

2. A faulty boost pressure sensor

3. A broken vaccum line

4. Burnt or broken circuit connections


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