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Close-up view of a 6.4 Powerstroke diesel engine showing the DPF filter component installed.

Fix 6.4 Powerstroke DPF Failure the Right Way

Learn what causes 6.4 Powerstroke DPF failure and how to fix it right. Diagnosis tips, proven solutions, costs, and prevention strategies included.

Fix 6.4 Powerstroke DPF Failure the Right Way

Learn what causes 6.4 Powerstroke DPF failure and how to fix it right. Diagnosis tips, proven solutions, costs, and prevention strategies included.

Close-up of 6.7 Cummins diesel engine fuel filter replacement procedure on truck undercarriage

6.7 Cummins Fuel Filter Change: Cost, Steps & R...

7 Cummins uses a dual-stage fuel filtration system: an upper (engine-mounted) filter and a lower (frame-mounted) filter. Both filter diesel fuel before it reaches the high-pressure CP3 or CP4 injection...

6.7 Cummins Fuel Filter Change: Cost, Steps & R...

7 Cummins uses a dual-stage fuel filtration system: an upper (engine-mounted) filter and a lower (frame-mounted) filter. Both filter diesel fuel before it reaches the high-pressure CP3 or CP4 injection...

6.7 Powerstroke diesel engine with EGR cooler and intake manifold highlighted during installation.

6.7 Powerstroke EGR Delete Kit: Complete Instal...

7 Powerstroke EGR delete kit removes the exhaust gas recirculation system from 2011–2025 Ford Super Duty trucks. The kit eliminates the EGR valve, EGR cooler, and related plumbing — replacing...

6.7 Powerstroke EGR Delete Kit: Complete Instal...

7 Powerstroke EGR delete kit removes the exhaust gas recirculation system from 2011–2025 Ford Super Duty trucks. The kit eliminates the EGR valve, EGR cooler, and related plumbing — replacing...

Close-up view of 6.7 Cummins CP4 fuel injection pump showing internal damage and wear components.

Fix 6.7 Cummins CP4 Failure the Right Way

Learn what causes 6.7 Cummins CP4 pump failure and how to fix it properly. Diagnosis, prevention kits, maintenance tips, and CP3 alternatives included.

Fix 6.7 Cummins CP4 Failure the Right Way

Learn what causes 6.7 Cummins CP4 pump failure and how to fix it properly. Diagnosis, prevention kits, maintenance tips, and CP3 alternatives included.

Close-up view of L5P Duramax engine knock sensor location on diesel truck engine block.

Fix L5P Duramax Knock Sensor Failure the Right Way

Fix L5P Duramax knock sensor failure with proven diagnostics and cost-effective solutions. Learn root causes, repair methods, and when to seek professional help.

Fix L5P Duramax Knock Sensor Failure the Right Way

Fix L5P Duramax knock sensor failure with proven diagnostics and cost-effective solutions. Learn root causes, repair methods, and when to seek professional help.

Cummins diesel engine DEF dosing valve and selective catalytic reduction system component closeup

How to Fix Cummins DEF SPN 5394 — DEF Dosing Va...

7 means the DEF dosing valve circuit current is below normal or the circuit is open. The dosing valve can't inject DEF into the SCR catalyst, triggering a fault that...

How to Fix Cummins DEF SPN 5394 — DEF Dosing Va...

7 means the DEF dosing valve circuit current is below normal or the circuit is open. The dosing valve can't inject DEF into the SCR catalyst, triggering a fault that...