F-250 #32

OfflineOffline · awaiting tow

Driver

Calvin Wu

Odometer

204,011 mi

Last service

Apr 11 · 25d ago

Next service

in 6 days · $1,420 est

Active DTCs

INFO

Last ping yesterday · 4:18 PM · Driver-reported low cranking voltage

fleet.tunedin.app/vehicles/f250-32

Diagnostic trouble codes 4 lifetime · 1 active

P0420CriticalOpenCatalyst System Efficiency Below Threshold (Bank 1)
First seen May 4 · 18:14 · Last seen today · 12 min ago · Detected on 3 trips
Catalyst converter efficiency has dropped below the OEM-defined threshold for this bank. Likely cause: aging catalyst, post-cat O2 sensor drift, or upstream misfire fouling.
P0301WarnOpen · intermittentCylinder 1 Misfire Detected
First seen Apr 27 · 09:11 · Last seen May 4 · 18:21 · Detected on 4 trips
Random misfires logged on cylinder 1. Likely related to upstream catalyst issue. Recommend coil/injector inspection during catalyst service.
P0171ClearedSystem Too Lean (Bank 1)
First seen Feb 11 · Cleared Mar 30 · service
Resolved with MAF sensor replacement at Northgate Diesel.
P0128ClearedCoolant Temperature Below Regulating Temperature
First seen Dec 4, '25 · Cleared Dec 9, '25
Self-resolved.
P0299ClearedTurbocharger Underboost
First seen Aug 22, '25 · Cleared Sep 4, '25
Self-resolved after warm-up cycles.

Code distribution · last 12 months

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Most-frequent codes