Injector Circuit Open - Cylinder #1
The PERKINS-P0201 (Perkins) diesel fault code means: Injector Circuit Open - Cylinder #1. This is a serious severity code.
- Keep driving?
- Yes, with caution
- DIY difficulty
- intermediate
- Estimated cost
- $380-$700 injector
What Are the Symptoms of PERKINS-P0201?
- Misfire
- White smoke cold
- Rough idle
What Causes PERKINS-P0201? (Most Likely First)
- Perkins injector solenoid failure Likely
- Harness chafe at valve cover Likely
Can I Still Drive with PERKINS-P0201?
Yes, with caution. PERKINS-P0201 is rated serious severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
What is Perkins fault code P0201?
Perkins P0201 means: Injector Circuit Open - Cylinder #1. Serious code -- address promptly to avoid inducement / further damage.
Can I keep operating with Perkins P0201?
Serious fault -- you can move the machine to a shop but don't run it under load. Diagnose with Perkins EST / CAT ET (kin to CAT-badged machines).
How much does it cost to fix Perkins P0201?
Repair cost range: $380-$700 injector.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose PERKINS-P0201?
Perkins EST cylinder balance test.
Swap injector between cylinders.
Sources 1
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines P0201 as a generic OBD-II code)
P0201 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown:
Which Vehicles Commonly Get PERKINS-P0201?
- CAT and JCB compact wheel loaders with Perkins 854E
- CAT 244D / 246D / 262D skid steers (Perkins-derived)
- JCB 3CX / 4CX backhoes with 1104D / 1204E
- Manitou telehandlers with Perkins 1104D / 1204E
- Perkins 2506 / 2806 industrial gensets
Explore More
Was this helpful?
Send this to whoever is fixing the truck — your tech, or the person asking what the fault means.