![250k mile timing chain maintenance (before & after). Secondary timing chain tensioner failed causing p0011, p0021, & p0340. : r/G35 250k mile timing chain maintenance (before & after). Secondary timing chain tensioner failed causing p0011, p0021, & p0340. : r/G35](https://i.redd.it/250k-mile-timing-chain-maintenance-before-after-secondary-v0-wrcmk70sc3x81.jpg?width=3000&format=pjpg&auto=webp&s=0221d8a1da12cbf31dc8cc378d268a9708c850ff)
250k mile timing chain maintenance (before & after). Secondary timing chain tensioner failed causing p0011, p0021, & p0340. : r/G35
![AGCO Automotive Repair Service - Baton Rouge, LA - Detailed Auto Topics - Symptoms of Bad Timing Chain, Ford V8 Engines AGCO Automotive Repair Service - Baton Rouge, LA - Detailed Auto Topics - Symptoms of Bad Timing Chain, Ford V8 Engines](https://www.agcoauto.com/content/images/engine/timing_chain_4.6L_new_broken_guides.jpg)
AGCO Automotive Repair Service - Baton Rouge, LA - Detailed Auto Topics - Symptoms of Bad Timing Chain, Ford V8 Engines
![AGCO Automotive Repair Service - Baton Rouge, LA - Detailed Auto Topics - Symptoms of Bad Timing Chain, Ford V8 Engines AGCO Automotive Repair Service - Baton Rouge, LA - Detailed Auto Topics - Symptoms of Bad Timing Chain, Ford V8 Engines](https://www.agcoauto.com/content/images/engine/timing_chain_4.6L_broken_guide.jpg)