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Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 8456
Experience:  worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
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I have a Isuzu 4jh1x with a po216 and no power is this bulletin

Customer Question

hi I have a Isuzu 4jh1x with a po216 and no power is this bulletin the fix for this truck.
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Wayne replied 1 year ago.
Hi I'm Wayne
I see you been waiting a long time,
sorry to see that
do you still need help with this
let me know
Customer: replied 1 year ago.

hi wayne

I am just siting and waiting for you to help me help me

with this p0216 code.

Expert:  Wayne replied 1 year ago.
Hi Thank you for that
That code is a faulty injection pump
needs to be rebuilt,
here are the symptoms from the manual
Basically this means the diesel fuel injection pump has a timing failure. This could be that the injection pump timing needs adjusted OR the failure is internal to the injection pump and therefore non-adjustable.
almost always, it is the injection Pump
If this Helped you please Rate My Answer 3 stars or more
If you need more info
Use the request Button, not a Poor/Bad Rating
Thank You
Wayne
Customer: replied 1 year ago.

Hi wayne

I had this code on the old pump and we put a new pump on

and its the same problem same code.what did I do wrong.

Expert:  Wayne replied 1 year ago.
Morning I did not see that you replaced the Pump, then it is a timing issuehere is a quote from the bookBasically this means the diesel fuel injection pump has a timing failure. This could be that the injection pump timing needs adjusted OR the failure is internal to the injection pump and therefore non-adjustable.
Customer: replied 1 year ago.

Can can you gave me the timing instruction for this engine please.

Expert:  Wayne replied 1 year ago.
Morning Does that pump have slotted holes,for mounting
Customer: replied 1 year ago.

some numbers on the pump 0-470-504-026 961-bosch

isuzu(###) ###-#### zexel(###) ###-####japan the pump has no slotted holes and the accelator is all electronic

Expert:  Wayne replied 1 year ago.
Hi Darrel,
What I was asking the pump mounting bolts
3 of them the holes are slotted
Customer: replied 1 year ago.

Hi wayne the bolts holes are not slotted.

Expert:  Wayne replied 1 year ago.
Thank you for that what you need to do then is put the engine at TDCthen pull the pump outthen back thhe engine to 18 degree BTDC, reinstall the pump
Customer: replied 1 year ago.

ok wayne I will pull the pump and get back to you.

Expert:  Wayne replied 1 year ago.
OK, Let me know
Customer: replied 1 year ago.

Hi Wayne

well I pull the pump reset timing put everything back start the truck

up bleed the pump, let it idle ,but I still have the same problem, i am at a lost with this truck what can I do know. please let me know.

Expert:  Wayne replied 1 year ago.
Morning Well we did ever thing to repair that codeThe only thing left is to have the dealer flash the ECM
Customer: replied 1 year ago.

hi wayne I gave the truck to Isuzu dealer to have them flash the ECM

so please gave me some time to get back to you ,when I get the call from them I will let you know.

Expert:  Wayne replied 1 year ago.
Hi You have been a very good customer I have gave you a excellent rating, for the future Let me Know Wayne
Expert:  Wayne replied 1 year ago.
Hi
I am just following up with you
did my answer help you
Please let me know
Wayne
Customer: replied 1 year ago.

Hi wayne

I am still whiting on the truck the dealer has not call me

I will let you know,

Expert:  Wayne replied 1 year ago.
Thank you

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