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o2 Sensor Replacement tasks in United States

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I have changed my Cadillac converter but my O2 sensors keep failing someone told me I needed to have it rethread

Fort Worth TX 76140, USA

Wed Jul 15 2026

10 days ago

Open

I recently purchased a 2010 GMC Terrain SLT (2.4L EcoTec) and need a skilled mechanic to help me diagnose and fix a few issues so I can get it to pass smog and get registered. The previous owner claims the engine was replaced (current chassis is at ~180k, replacement engine supposedly has ~115k). It runs, but the timing feels off and it is currently throwing codes and failing smog. 1. Timing & Smog Diagnostics (Highest Priority) • Remaining OBD-II Codes:P0420, P0442, C0A00, B2AAA • Done so far: Both upstream and downstream O2 sensors have been replaced. Fuses have been checked. 2. Rear Wheel Hubs: Both rear wheel hubs need to be replaced. • Note: They are currently completely seized/stuck, and I couldn't get them off with standard tools. 3. Electrical & Sensors • Stabilitrak: Dash lights indicate the Stabilitrak system needs attention (likely tied to code C0A00). Needs diagnosis. • TPMS: New tire pressure sensors were installed, but they are failing to sync/reprogram to the ECU. 4. Comfort & Convenience Fixes • Passenger Rear Window regulator - replacement just needs to be properly installed. • A/C System: Blows warm air. •It was recently recharged, and the fuses are good, but it's still not cooling. What I am looking for: An experienced mobile mechanic or someone with a shop who has a high-end diagnostic scanner and experience with GM EcoTec 2.4L engines. Please quote for the initial comprehensive diagnosis and the straightforward physical fixes (like the window). We can negotiate a fair price for the deeper mechanical repairs (like the timing or EVAP tracking) once we pinpoint the exact causes. Please bring your own diagnostic tools. Let me know your availability!

Las Vegas NV 89156, USA

Tue Jun 30 2026

26 days ago

Open

Bank 1 sensor 1 f150 2.7 ecoboost 2018 i have a the ford part just need it installed should take less then 1 hr

Glenshaw PA 15116, USA

Fri Jun 19 2026

about 1 month ago

Open

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Last updated on Jul 25th 2026

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Type of o2 sensor replacement job	1-2 tasks/week	3-5 tasks/week	5+ tasks/week
Mechanic	$300	$750	$1,050
Oil & Filter Change	$300	$750	$1,050
Brake Pad Replacement	$310	$775	$1,085
Golf Cart Repair	$400	$1,000	$1,400
Fuel Pump Replacement	$374	$935	$1,309

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