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Proceed With Caution
Some items need attention. Review the details below.
Estimate Total
$6,766
Fair Range
$3,800-$5,200 for the work you actually need
🚩DEF Quality Sensor at $605 is the biggest rip-off on this estimate. No active fault code, part is marked up nearly double, and 'borderline readings' is not a reason to replace a $200 sensor for $600. Decline this.
🚩Turbo Actuator Calibration at $325 for 2.5 hours is inflated. This is a laptop-based software procedure that takes under an hour. No fault code to justify it. Classic upsell.
⚠️Coolant flush labor overlaps with EGR cooler job. If you approve the EGR cooler replacement, the coolant gets drained as part of that job. You should not pay for a separate 2-hour coolant flush. Ask them to credit the coolant labor.
⚠️DPF cleaning at $575 is above average. Fair range is $300-$500. The $185 parts/supplies charge is inflated. Most shops include cleaning supplies in the labor rate.
⚠️Exhaust pressure sensor part is marked up. OEM sensor is $180-$220. They are charging $289. Ask if they'll price-match or use aftermarket.
✅The three fault codes (P0471, P2463, U0073) are legitimate and the diagnostic correctly identified the DPF and exhaust sensor issues. The shop knows what they're doing technically.
✅Labor rate of $130/hour is reasonable for the Atlanta metro area. That's not where they're making their money — it's in the parts markup and optional services.
✅EGR cooler pricing is fair if the crack is confirmed. This is the one big-ticket item that's actually priced right.
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Diagnostic Scan (3 fault codes)
You need this to know what's wrong. Standard diagnostic fee and the price is in line. Three active codes is concerning but not unusual at 487K miles.
critical$195
Fair price
$150-$200
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DPF Cleaning & Regeneration
DPF at 82% loaded absolutely needs cleaning or you'll get derated and eventually shut down. But $575 is on the high side. The parts charge of $185 for cleaning supplies is inflated — most shops include that in the labor. Push back on parts cost.
critical$575
Above average
$300-$500
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Exhaust Pressure Sensor Replacement
This sensor is causing your derate events. You need it replaced. But $289 for the part is steep — OEM is around $180-$220 and aftermarket is $80-$120. Ask if they'll use an aftermarket part or match a lower price. Labor is fair.
critical$484
Above average
$250-$400
🟡
EGR Cooler Replacement
If the cooler is cracking, this is legitimate — a failed EGR cooler dumps coolant into your intake and can destroy the engine. At $2,255 the price is within range for a DD15. Ask them to show you the crack. If it's just 'early signs,' you could monitor it and replace in 30-60 days.
recommended$2,255
Fair price
$1,800-$2,500
🔴
Oil & Filter Change
You're 4,000 miles overdue — this is a must-do. But $415 is at the top of the range. The $285 parts charge is a bit high for oil and filters. Should be closer to $200-$240. Approve it but note the markup.
critical$415
Above average
$280-$380
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Coolant Flush and Refill
Coolant pH at 7.2 does need attention (should be 8.5+), but $505 is high. The 2.0 hours labor is generous for a flush — most shops do it in 1.0-1.5 hrs. And if they're already replacing the EGR cooler, coolant is getting drained anyway. You should NOT be charged full coolant flush labor if the EGR job is approved. Push back hard on this.
recommended$505
Above average
$350-$475
🟡
Air Filter Replacement
Fair price and good to do while the truck is in the shop. Filters at 487K miles with overdue oil are worth replacing.
recommended$230
Fair price
$180-$260
🟡
Brake Inspection - All Axles
Smart to inspect at this mileage. 95 for a full inspection is reasonable. If they find issues, get a separate estimate for the brake work.
recommended$195
Fair price
$150-$200
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Turbo Actuator Calibration
No active fault code for this. 'Borderline readings' is vague. At $325 for a software calibration, they're charging 2.5 hours for what's essentially a laptop procedure that takes 30-45 minutes. This is a classic upsell. Skip it unless you're experiencing turbo lag or boost issues.
optional$325
Above average
$150-$250
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DEF Quality Sensor Replacement
No active fault code. 'Borderline readings' does not justify a $605 replacement. The part at $410 is nearly double what it should be ($180-$250 for a DD15 DEF sensor). This is the biggest red flag on the estimate. Decline this work.
optional$605
Overpriced
$150-$200
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Fuel System Cleaning & Conditioner
No fuel-related codes and no driveability complaints. The water separator is worth replacing ($30 part), but the injector flush and fuel additive are maintenance theater — modern DD15 injectors don't need flushing at 487K miles unless you're having injector issues. Skip the flush, just do the water separator next oil change.
optional$305
Above average
$100-$200
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AC System Check & Recharge
Price is fair IF your AC isn't working. But this showed up on a check-engine-light visit with no AC complaint. If your AC is blowing cold, skip it. If it's not, approve it.
optional$290
Fair price
$200-$300
Mechanic's Advice
This is a $6,766 estimate but you only need about $3,800-$5,200 worth of work. The critical items are real: the DPF cleaning, exhaust sensor, and overdue oil change must be done. The EGR cooler is legitimate if they can show you the crack. But they have padded the estimate with $1,200+ in optional work that has no fault codes behind it — the DEF sensor ($605) and turbo calibration ($325) are pure upsells. The fuel system cleaning is unnecessary. Tell them to do the DPF, exhaust sensor, oil change, air filters, and brake inspection. Ask them to show you the EGR crack before approving that job. Get the coolant labor credited if EGR is approved. That brings you to roughly $4,200 and your truck will run right.