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I got a dodge 2008 v8 4.7 has a p0300 code what means

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I got a dodge...

I got a dodge 2008 v8 4.7 has a p0300 code what means multiple cylinders misfire i already replace the o2 sensors all 4 and check all coils put new plugs and doing the injectors test now but still same issue any aidea what can couse thas problem ??

Mechanic's Assistant: Have you seen the misfire code before? Has the car been stalling?

Yes

Mechanic's Assistant: What is the model of your '08 Dodge?

ram 1500

Mechanic's Assistant: Are you fixing your Ram 1500 yourself? What have you tried so far?

Yes change map sensor to

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

No that is it

Submitted: 11 months ago.Category: Dodge
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Answered in 6 minutes by:
9/8/2017
Dodge Mechanic: Chris (aka-Moose), Technician replied 11 months ago
Chris (aka-Moose)
Chris (aka-Moose), Technician
Category: Dodge
Satisfied Customers: 53,391
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Welcome, I'm Chris (aka Moose).

  • Although I work here everyday, please understand it is not all day and rarely morning time.
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Can you feel this misfire occurring?

Do you have a scan tool that can run a power balance test?

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Customer reply replied 11 months ago
engin is not working right
Customer reply replied 11 months ago
i scan the vehicle and the code is p0300 is a multiple cylinders misfire
Customer reply replied 11 months ago
i chanhe all o2 sensors check all coils change all spark plugs and injectors
Customer reply replied 11 months ago
map sensor to ihas to do the compression test and i gas to check the camshaft sensor but any idea of what ither thing can be
Dodge Mechanic: Chris (aka-Moose), Technician replied 11 months ago

Will your scan tool only read codes, it can not do deeper diagnostics?

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Customer reply replied 11 months ago
No
Dodge Mechanic: Chris (aka-Moose), Technician replied 11 months ago

While at idle and misfiring, if you unplug coils or injectors one by one. Is there one cylinder disabled that results in it not running worse?

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Customer reply replied 11 months ago
I already do that and it do the same whit all cylinders
Dodge Mechanic: Chris (aka-Moose), Technician replied 11 months ago

Do you have the ability to monitor fuel pressure?

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Customer reply replied 11 months ago
i'm on that right now
Dodge Mechanic: Chris (aka-Moose), Technician replied 11 months ago

Great, let me know those results.

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Customer reply replied 11 months ago
I gat 55 to 60 psi
Customer reply replied 11 months ago
I got two injectors poor of fuel
Customer reply replied 11 months ago
i got low comprecion on three cylinders
Dodge Mechanic: Chris (aka-Moose), Technician replied 11 months ago

What compression did you get on each cylinder?

Can you better explain injectors poor of fuel?

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Dodge Mechanic: Chris (aka-Moose), Technician replied 11 months ago

Hello Chris here again,

I am checking in to make sure you got everything you expected from my answer. The option to rate my response or reply is still available. I want to make sure you were pleased with what you paid for.

Thanks Chris

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