The Lemon Index
The 3.0 L V6 turbo diesel in the Ram pickup, Jeep Grand Cherokee, Jeep Wrangler and Jeep Gladiator, model years 2014–2023. Owners filed 2,871 complaints about cars with it (matched by VIN); 50% name the engine, #5 of the 39 everyday engines we track (1 = the most).
Known issues, checked against owner complaints
Problems owners of cars with this engine name much more often than owners of the other 38 everyday engines we track (at least 1.5× the median, and 10+ complaints):
- Engine failure (crankshaft / bearings). 142 of 2,871 owner complaints (4.9%) say the engine knocked, seized or failed, against a median of 2.7% for the other 38 everyday engines we track.
While driving heard Clicking/Knocking noise then low oil pressure light came on we pulled over and turned truck off then truck would not restart. truck was towed to Dealer which has check truck and decided it was a complete engine failure main bearing. Truck only had 45,000 mile on Engine
2018 owner · NHTSA complaint 11677844
What YouTube owners say Tone 0-100, higher = more praise than trouble.
Average owner tone 41/100 across 10 model years, from 191 videos about this engine and its cars (#138 of 165 engines with a YouTube study).
Most-watched videos
- JUNK Jeep Ram 3.0 ECODIESEL Engine Teardown. Why Do These ALL Fail? 820,680 views
- 14+ Dodge Ram 3.0 Ecodiesel Blown Engine Teardown. Strangest and Most Difficult Teardown Yet! 734,559 views
- Can the 2020 Ram EcoDiesel Out-tow the Mighty HEMI on the World's Toughest Towing Test? Ike Gauntlet 586,509 views
- 2014 / 2015 RAM 1500 Eco Diesel Review and Road Test 554,382 views
- RAM 1500 ECODIESEL Review ** From Heavy Diesel Mechanic** | EcoDiesel VS HEMI 468,402 views
Counted from video titles and captions: praise words against trouble words, weighted by views. Videos only count when the title names this engine or a car that had only this engine in those years.
Cars with this engine Tap a year for that car's full report.
- Ram pickup2014201520162017201820192020202120222023
- Jeep Grand Cherokee2014201520162018
- Jeep Wrangler2020202120222023
- Jeep Gladiator202120222023
Model years from NHTSA VIN decoding of owner complaints. Only years we have a car page for.
Owner complaints by model year
Counts of complaints filed so far. Older cars have had longer to collect them, and popular cars draw more because more were sold: no one reports sales by engine, so there's no per-car rate. Compare the shares below instead.
By car
| Car | Model years matched | Complaints | Name the engine |
|---|---|---|---|
| Ram pickup | 2014–23 | 2,034 | 52% |
| Jeep Grand Cherokee | 2014–18 | 608 | 47% |
| Jeep Wrangler | 2020–23 | 148 | 41% |
| Jeep Gladiator | 2021–23 | 81 | 32% |
“Name the engine” = the share of that car's VIN-matched complaints that list the engine as a problem area.
What owners complain about
Share of this engine's complaints that name each area (one complaint can name several).
What owners write
| Complaints that | Count | Share | Median, other everyday engines |
|---|---|---|---|
| Say the engine stalled, shut off or lost power | 691 | 24% | 13% |
| Mention fire, flames or smoke | 295 | 10% | 3.2% |
| Mention coolant loss or overheating | 155 | 5.4% | 1.2% |
| Say the engine knocked, seized or failed | 142 | 4.9% | 2.7% |
| Mention the turbo | 99 | 3.4% | under 0.1% |
| Mention the oil filter housing or oil cooler | 26 | 0.9% | under 0.1% |
| Mention an oil leak | 18 | 0.6% | 0.5% |
| Mention a lifter, rocker or ticking | 8 | 0.3% | 0.3% |
| Mention burning or losing oil | 7 | 0.2% | 0.5% |
| Mention the water pump | 5 | 0.2% | 0.2% |
Counted from the owner's own words in each complaint (all of the car, not only the engine). A share, not a failure rate.
When problems show up
Half of the owners who gave a mileage reported the problem between 35,000 and 105,000 miles; the middle report was at 65,526 miles (1,359 complaints with a mileage).
Recalls that name this engine 7
23V411000 Jun 2023 Engine And Engine Cooling pickup 2014, 2015, 2016, 2017, 2019; Grand Cherokee 2014, 2015, 2016, 2018
Chrysler (FCA US, LLC) is recalling certain 2014-2019 Ram 1500 and 2014-2020 Jeep Grand Cherokee vehicles equipped with 3.0L Diesel engines. The crankshaft position sensor tone wheel may delaminate, causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall.
Fix. Dealers will update the powertrain control module software to maintain vehicle propulsion, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed August 3, 2023. Some owner notification letters were mailed October 31, 2023. The remaining owner notification letters will be mailed at a future date, anticipated July 2024. Owners may contact FCA US, LLC cust
23V263000 Apr 2023 Fuel System, Diesel pickup 2022, 2023; Wrangler 2021, 2022, 2023; Gladiator 2021, 2022, 2023
Chrysler (FCA US, LLC) is recalling certain 2021-2023 Jeep Wrangler, Gladiator, and 2022-2023 Ram 1500 vehicles equipped with a 3.0L diesel engine. The high pressure fuel pump (HPFP) may fail.
Fix. Dealers will replace the HPFP and replace additional fuel system components, as necessary, free of charge. Owner notification letters were mailed October 17, 2023. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 01A.
22V767000 Oct 2022 Fuel System, Gasoline pickup 2020, 2021, 2022; Wrangler 2020, 2021, 2022; Gladiator 2021, 2022
Chrysler (FCA US, LLC) is recalling certain 2020-2022 Jeep Wrangler, Ram 1500, and 2021-2022 Jeep Gladiator vehicles equipped with 3.0L diesel engines. The high pressure fuel pump (HPFP) may fail, causing an engine stall.
Fix. Dealers will replace the HPFP and inspect and replace additional fuel system components, as necessary, free of charge. Owner notification letters were mailed October 17, 2023. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is Z96.
22V406000 Jun 2022 Fuel System, Diesel pickup 2014, 2015, 2016, 2017, 2019; Grand Cherokee 2014, 2015, 2016, 2018
Chrysler (FCA US, LLC) is recalling certain 2014-2020 Jeep Grand Cherokee, and 2014-2019 Ram 1500 vehicles equipped with 3.0L diesel engines. A high pressure fuel pump (HPFP) failure may introduce internal debris into the fuel system, potentially resulting in fuel starvation.
Fix. Dealers will replace the HPFP, and inspect and replace, if necessary, additional fuel system components, free of charge. Interim notification letters informing owners of the safety risk were mailed July 21, 2022. Owner notification letters for were mailed for Jeep Grand Cherokee owners starting January 11, 2024. Owner notification letters for Ram 1500 owners were mailed March 7, 2024. Owners m
20V699000 Nov 2020 Engine And Engine Cooling Grand Cherokee 2014, 2015, 2016, 2018
Chrysler (FCA US LLC) is recalling certain 2014-2019 Jeep Grand Cherokee vehicles equipped with the 3.0L EcoDiesel engines. The Exhaust Gas Recirculation (EGR) cooler may crack and allow pre-heated vaporized coolant to enter the EGR system. This mixture may combust inside the intake manifold.
Fix. FCA US LLC will notify owners, and dealers will replace the EGR cooler, free of charge. Dealers will also inspect and, as necessary, replace the intake manifold. Parts are not currently available. Owners were mailed an interim notification on December 21, 2021. A second notification will be mailed when parts are available, currently expected to be around March 11, 2021. The recall began March
20V475000 Aug 2020 Engine And Engine Cooling pickup 2014, 2015, 2016, 2017; Grand Cherokee 2014, 2015, 2016
Chrysler (FCA US LLC) is recalling certain 2014-2018 Ram 1500 and 2014-2016 Jeep Grand Cherokee vehicles equipped with 3.0L diesel engines. The crankshaft position sensor tone wheel may delaminate causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall.
Fix. FCA US will notify owners, and dealers will update the powertrain control module software to maintain vehicle propulsion by reading the camshaft position signal in the event that the crankshaft position signal is lost, free of charge. Owner notification letters were mailed on May 13, 2021. Owners may contact FCA US customer service at 1-800-853-2002. FCA US's number for this recall is W58.
Show all 7
19V757000 Oct 2019 Engine And Engine Cooling pickup 2014, 2015, 2016, 2017, 2019
Chrysler (FCA US LLC) is recalling certain 2014-2019 Ram 1500 and 1500 Classic Pickup trucks equipped with 3.0L Eco Diesel engines. The Exhaust Gas Recirculation (EGR) cooler may crack and allow pre-heated vaporized coolant to enter the EGR system. This mixture may combust inside the intake manifold.
Fix. Chrysler will notify owners, and dealers will replace the EGR cooler, free of charge. Dealers will also inspect and, as necessary, replace the intake manifold. The recall began April 16, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is VB1.
NHTSA recalls on these cars and model years whose text names this engine (its size or name). The rest (brakes, air bags, wiring ...) are on each car year's page.
In owners' words
Engine suddenly shut down on freeway. Went into limp mode. Engine light came on - code P033600 - Crankshaft Position Sensor
2014 owner · NHTSA complaint 11776369
Engine fuel pump Cavitates and dies while at Idle or under power on highway. Fuel leaks out of the fuel tank vent in the Right Aft Fender well over the exhaust pipe. This is an intermitting problem.
2021 owner · NHTSA complaint 11775531
My jeep diesel had the software update for the crankshaft sensor tone ring, but the tone ring failed, and my car is stuck in limp mode. Is the replacement of the tone ring covered under the original recall,or do I have to pay for the repair?
2015 owner · NHTSA complaint 11769469
Against the other everyday engines
| Engine | Years | Complaints | Name the engine | Stalled or lost power | Burning oil | Recalls naming it |
|---|---|---|---|---|---|---|
| 1.5 EcoBoost | 2014–25 | 5,622 | 66% | 15% | 0.2% | 2 |
| 6.2 V8 (Gen V) | 2014–25 | 7,219 | 65% | 24% | 2.2% | 2 |
| 2.4 Theta II | 2010–22 | 21,551 | 51% | 20% | 8.1% | 8 |
| 2.4 Ecotec | 2010–17 | 6,096 | 51% | 21% | 18% | 0 |
| 3.0 EcoDiesel | 2014–23 | 2,871 | 50% | 24% | 0.2% | 7 |
| 3.3 Lambda II | 2013–21 | 3,254 | 50% | 17% | 5.9% | 2 |
| 2.0 EcoBoost | 2012–25 | 9,735 | 48% | 12% | 0.1% | 0 |
| 2.0T Theta II | 2011–22 | 3,325 | 44% | 18% | 4.8% | 2 |
| 1.4 Turbo | 2011–22 | 3,926 | 39% | 17% | 0.9% | 2 |
| 2.4 Tigershark | 2014–22 | 9,631 | 35% | 34% | 4.5% | 5 |
| 1.5 Turbo | 2016–25 | 4,471 | 33% | 27% | 0.3% | 1 |
| EA888 2.0T | 2009–25 | 7,443 | 29% | 16% | 3.7% | 5 |
| A25A | 2018–25 | 2,979 | 26% | 12% | under 0.1% | 1 |
| 1.5 Turbo | 2017–22 | 6,390 | 26% | 14% | 0.2% | 0 |
| J35 V6 | 2003–25 | 24,038 | 24% | 14% | 0.9% | 4 |
| Skyactiv-G 2.5 | 2014–25 | 2,631 | 22% | 11% | 2.7% | 1 |
| 2.7 Turbo | 2019–25 | 1,090 | 22% | 12% | 0.5% | 0 |
| 2AZ-FE | 2001–09 | 7,176 | 22% | 3.7% | 8.6% | 0 |
| 5.4 Triton | 2005–14 | 3,952 | 21% | 15% | 0.1% | 3 |
| 5.7 HEMI | 2003–24 | 23,895 | 19% | 23% | 0.1% | 6 |
| QR25DE | 2002–20 | 16,161 | 19% | 14% | 1.5% | 4 |
| 5.3 V8 (Gen V) | 2014–25 | 13,191 | 18% | 13% | 0.5% | 3 |
| 3.6 Pentastar | 2011–25 | 34,634 | 18% | 16% | 0.4% | 9 |
| 2.3 EcoBoost | 2015–25 | 3,975 | 16% | 9.9% | 0.1% | 12 |
| 3.8 Lambda II | 2020–25 | 4,423 | 16% | 8.0% | 5.6% | 0 |
| FB20 | 2012–25 | 2,336 | 15% | 8.2% | 1.7% | 0 |
| 3.6 V6 | 2009–23 | 14,214 | 14% | 14% | 0.1% | 1 |
| K24 | 2002–19 | 15,062 | 14% | 5.1% | 1.6% | 0 |
| 2GR-FKS | 2016–24 | 3,758 | 12% | 11% | 0.2% | 2 |
| 3.5 Cyclone V6 | 2007–19 | 21,313 | 12% | 11% | 0.1% | 0 |
| VQ35 V6 | 2002–25 | 12,613 | 12% | 11% | 0.2% | 1 |
| 3UR-FE | 2007–21 | 1,377 | 12% | 8.8% | 0.4% | 0 |
| FB25 | 2011–25 | 9,853 | 11% | 6.2% | 1.5% | 0 |
| 2AR-FE | 2009–18 | 4,673 | 11% | 6.6% | 1.3% | 1 |
| 2GR-FE | 2005–18 | 8,680 | 10% | 3.5% | 0.3% | 0 |
| 3.8 V6 | 2007–11 | 7,877 | 9% | 17% | 0.5% | 0 |
| 5.3 V8 (Gen IV) | 2007–14 | 9,241 | 8% | 4.5% | 1.3% | 0 |
| 1GR-FE | 2003–24 | 5,757 | 7% | 4.0% | under 0.1% | 0 |
| 4.8 V8 | 2007–13 | 726 | 6% | 4.8% | 0.1% | 0 |
Shares of each engine's own complaints, matched by VIN. They show what owners complain about, not how often engines break.
Quick answers
Is the Ram / Jeep 3.0 EcoDiesel V6 reliable?
No one reports sales by engine, so there's no per-car score. Of the 2,871 complaints owners filed about cars with it, 50% name the engine, #5 of the 39 everyday engines we track (1 = the most). 142 (4.9%) say the engine knocked, seized or failed, against 2.7% for the other engines.
What cars have the Ram / Jeep 3.0 EcoDiesel V6?
In our data: the Ram pickup, Jeep Grand Cherokee, Jeep Wrangler and Jeep Gladiator, model years 2014–2023, matched by the VIN in each owner complaint.
What are the most common 3.0 EcoDiesel problems?
In owner complaints to the government: engine, fuel system, transmission & drivetrain.
How many recalls name the 3.0 EcoDiesel?
7 NHTSA recalls on these cars name it.
Complaints: NHTSA owner complaints filed under each car's own NHTSA names (the same ones its car pages count), all years filed, one per complaint number. Engine: decoded from the complaint's VIN with NHTSA's vPIC decoder (displacement, cylinders, engine model, turbo, hybrid) and the engine maker's model years; a VIN that doesn't decode to exactly one engine is left out. Older cars have had more years to collect complaints, and popular cars draw more because more were sold. Source: NHTSA owner complaints (FLAT_CMPL + COMPLAINTS_RECEIVED_2025-2026), received through 20261111; engines: NHTSA vPIC VIN decoder (batch); NHTSA recalls API. Engine names and model years: Chrysler.