News

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...

Close-up of 6.0 Powerstroke diesel engine oil cooler assembly showing internal passages and mounting bracket details.

Fix 6.0 Powerstroke Oil Cooler Failure the Righ...

Learn what causes 6.0 Powerstroke oil cooler failure, symptoms to watch for, proven fixes, repair costs, and prevention tips to avoid EGR cooler damage.

Fix 6.0 Powerstroke Oil Cooler Failure the Righ...

Learn what causes 6.0 Powerstroke oil cooler failure, symptoms to watch for, proven fixes, repair costs, and prevention tips to avoid EGR cooler damage.

Close-up of a 6.7 Powerstroke turbocharger showing VGT vanes and bearing assembly components.

Fix 6.7 Powerstroke Turbo Failure the Right Way

Learn what causes 6.7 Powerstroke turbo failure, how to diagnose VGT sticking and bearing issues, and proven fixes to prevent costly damage.

Fix 6.7 Powerstroke Turbo Failure the Right Way

Learn what causes 6.7 Powerstroke turbo failure, how to diagnose VGT sticking and bearing issues, and proven fixes to prevent costly damage.

Close-up of LMM Duramax CP3 fuel injection pump showing internal components and diesel engine detail work

Fix LMM Duramax CP3 Failure the Right Way

Learn what causes LMM Duramax CP3 pump failure, how to diagnose it, and the proven repair methods to fix it the right way and prevent future issues.

Fix LMM Duramax CP3 Failure the Right Way

Learn what causes LMM Duramax CP3 pump failure, how to diagnose it, and the proven repair methods to fix it the right way and prevent future issues.

Close-up of 6.7 Powerstroke diesel engine radiator showing coolant leak inspection and repair work

Fix Your 6.7 Powerstroke Radiator Leak the Righ...

Learn how to fix 6.7 Powerstroke radiator leaks with proven solutions, diagnostic tips, and whether to DIY or call a professional mechanic.

Fix Your 6.7 Powerstroke Radiator Leak the Righ...

Learn how to fix 6.7 Powerstroke radiator leaks with proven solutions, diagnostic tips, and whether to DIY or call a professional mechanic.