Our team takes pride in our strong work ethic, the quality of our work, and our attention to detail. When we conduct inspections or perform work, if we identify an issue that only takes a few minutes to resolve, we typically address it at no extra cost. Many customers are pleasantly surprised by our thoroughness and complimentary service. We prioritize building long-term relationships over high-pressure sales tactics often employed by other facilities. If we believe you can postpone a maintenance or repair item, we will communicate that clearly. At Last Stop Diesel, we look forward to assisting you with your needs and establishing a solid relationship.
Heating & Air Conditioner Repair
For the best cooling and heating auto repair service in Plaistow, trust Last Stop Diesel.
Engine Auto Service
When that check engine light comes on, it’s hard not to feel annoyed or even worried.
Maintenance & Auto Service
It’s a fact: regular, quality maintenance extends the life of your vehicle. It also gives you the peace of mind you need.
Exhaust Service
If you’re concerned about passing emissions or you already know your exhaust system isn’t what it should be, visit Last Stop Diesel in Plaistow.
The Absolute Best Car Service in Plaistow, NH
Last Stop Diesel
What sets Last Stop Diesel apart from all of the others in Plaistow, NH?
Quality Service
We use the latest diagnostic equipment and high-quality parts to ensure your vehicle is repaired to the highest standards.
Experienced and Certified Technicians
Our technicians are highly skilled and certified professionals with years of experience in the auto repair industry. They have the expertise to diagnose and repair any problem your vehicle may have.
Customer Satisfaction
Our goal is to exceed your expectations and ensure your complete satisfaction with every visit.
Our Customer Reviews
Recently Serviced Vehicles
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2006 Ford Pickup
Mileage199,829Service Date8/24/2026Services Performed- Self test code: P0404 (EGR Control Circuit Range / Performance). PID monitor EBP / MGP / BARO / EGR, all ok. Perform EGR valve system test, passed however graph showed signs of sticking. Command EGR position while monitoring ACT POS & ERR%, massive error during increase over 25%. R&R EGR valve for inspection / suspect carbon build-up, EGR motor broken & internal valve stuck in intake port. EGR valve does not appear OEM, replacement required & OEM recommended. Upon starting vehicle the second time to move into other service bay, engine chugging & excessive smoke from tail pipe with fuel odor. Injector test pass, cylinder power balance shows spiking on cylinder# 6 and others on bank 2. Disconnect injector# 6 and retest, smoke still present but other cylinder spikes no longer evident. No history of fuel injectors, recommend replacement of all 4 on bank# 2 at minimum.
- Performed LOF, greased front end and topped off vital fluids to vehicle. No further action needed at this time.
- Replace all 4 fuel injectors on bank 2 (drivers side), update stand pipes & plugs. Clean all surfaces & hardware cavities, apply loctite to injector hold down bolts & torque all fasteners to specification. Purge high pressure oil system & low side fuel system, start vehicle & let run while topping off coolant etc. Clear codes & road test, all ok.
- FUEL INJECTOR – Remove & Replace – F250 Super Duty, F350 Super Duty Each Additional
- FUEL INJECTOR – Remove & Replace – F250 Super Duty, F350 Super Duty Each Additional
- FUEL INJECTOR – Remove & Replace – F250 Super Duty, F350 Super Duty Each Additional
- Replace faulty EGR valve, OE broke apart and was stuck in manifold.
- Extract broken off mechanical portion of EGR valve in intake cavity, clean & vacuum carbon deposits.
- Remove all glow plugs on drivers side bank due to engine over fueling and perform mist test, cyl#6 injector failed & fuel spray evident.
- GLOW PLUG – Remove & Replace – F250 Super Duty, F350 Super Duty, 6.0L Eng Each Additional
- GLOW PLUG – Remove & Replace – F250 Super Duty, F350 Super Duty, 6.0L Eng Each Additional
- GLOW PLUG – Remove & Replace – F250 Super Duty, F350 Super Duty, 6.0L Eng Each Additional
- Replace starter motor & install new bolts.
- Replace failed cyl#6 fuel injector under warranty.
- Replace failed cyl# 1 & 5 fuel injectors under warranty.
- FUEL INJECTOR – Remove & Replace – F250 Super Duty, F350 Super Duty Each Additional
- FUEL INJECTOR – Remove & Replace – F250 Super Duty, F350 Super Duty One, Right Side
- FUEL INJECTOR – Remove & Replace – F250 Super Duty, F350 Super Duty Each Additional
- FUEL INJECTOR – Remove & Replace – F250 Super Duty, F350 Super Duty Each Additional
- FUEL INJECTOR – Remove & Replace – F250 Super Duty, F350 Super Duty Each Additional
- Replace EBP sensor.
- Replace faulty / new EGR valve.
Pat F. gave our service a 5 star review on 8/24/2026 -
2018 RAM 3500 HD
Mileage103,253Service Date8/6/2026Services Performed- Self test code: P2002 (DPF Efficiency). Check DEF quality, ok. Reference TSB# 2024-05-03 from prior RO# 2764 9-6-2024, no longer exists. PPT for code P2002 has newly added instructions to replace PM sensor when replacing DPF. Check for updated part number on PM sensor, yes. Recommend replacement of PM sensor due to updated workshop procedure. Re-flash performed via Mopar TSP previously, and rechecked last visit. Up to date calibration of PCM.
- Replace PM sensor, clear code.
- Reset required parameters, warm engine to operating temperature and perform manual regeneration to clear / prove out systems.
- Replace faulty / noisy serpentine belt with heavy duty option. Inspect all pulleys, tensioner & water pump. All ok.
Alden P. gave our service a 5 star review on 8/7/2026 -
2004 Ford F550 Super Duty
Mileage112,250Service Date7/24/2026Services Performed- verified concern. found truck to have cylinder 4 contribution code. monitored injector flow with scan tool. found cylinder 4 injector to be out of spec. recommend cylinder 4 injector
- removed coolant bottle, FCIM and valve cover in order to access fuel injector. found one of the stand pipe o rings to be ripped. R&R stand pipes and dummy plugs on the drivers side. R&R cylinder 4 injector and re installed FCIM can coolant bottle. bled cooling system.
- R&R water filter separator assembly
Dennis V. gave our service a 5 star review on 7/25/2026 -
2016 Ford F-350 Super Duty
Mileage123,707Service Date7/20/2026Services Performed- verified concern. scanned for codes and found a cylinder 8 contribution code. when started up, noticed knock on the opposing cylinder as well. performed relative compression test. and found cylinder 8 to be lower than spec. recommend removal of both valve covers to inspect valvetrain.
- removed upper and lower intakes, boost tubes, all injectors, CCV filter and EGR cooler to access valve covers. removed valve covers and found no valvetrain issues. suspect lower end engine damage.
- evacuated A/C and drained both cooling systems. removed cab mounts in order to raise cab. removed turbo in order to install engine lift plate. removed engine and begun swapping over components. swapped over valve covers, engine harness, both alternators, secondary water pump, all pulleys. installed new fuel injectors and fuel rails. installed DCR pump. installed engine and re installed turbo. cleaned and installed upper and lower intakes. lowered cab and installed S&B cab mounts. installed CAT oil filter and adapter. programmed all 8 new injectors and cleared adaptive tables. re charged A/C and bled cooling systems. took vehicle for multiple extended road test. no issues present at this time
- 3 of the 8 cage nuts for the cab mounts froze requiring extraction. extracted cab mount bolts.
- removed running boards in order to lift the cab
- removed lots of after market wiring in order to lift the cab. re wired accessories when cab was lowered back down
- R&R CCV filter
Daniel P. gave our service a 5 star review on 7/22/2026 -
2006 Ford Pickup
Mileage173,094Service Date6/5/2026Services Performed- Performed LOF, greased front end and topped off vital fluids to vehicle. No further action needed at this time.
- ENGINE COMPRESSION – Testing – F250 Super Duty, F350 Super Duty, V8, 6.0L Eng, Diesel – [NOTE: Add 0.2 for wet compression retest.]
- Perfomed MPI, thoroughly looked over vehicle and provided customer with any recommendations.
- Install Customer Supplied Regulated Fuel Return System
- TURBOCHARGER – Remove & Replace – F250 Super Duty, F350 Super Duty
- COOLANT RECOVERY TANK – Remove & Replace – F250 Super Duty, F350 Super Duty, Diesel
- SHOCK &/OR STRUT ASSEMBLY – Remove & Install or Remove & Replace – F250 Super Duty, F350 Super Duty Both – [DOES NOT include disassemble or alignment.]
- SHOCK &/OR STRUT ASSEMBLY – Remove & Install or Remove & Replace – F250 Super Duty, F350 Super Duty Both – [DOES NOT include disassemble or alignment.]
- Replace front & rear brake pads & rotors, clean & lube all contacts. Clean, lube & adjust e-brake. Top off diff fluid if required. Road test vehicle.
- PARKING BRAKE SHOE & LINING – Remove & Replace – F250 Super Duty, F350 Super Duty Rear, Both Sides, Full Floating Axle, Inboard Mounted Rotor, w/Dual Rear Wheels – [Includes: Repack Wheel Bearings.] – [Includes: Replace Rear Disc Brake Pads (if necessary)
- TRANSMISSION OIL FILTER – Remove & Replace – F250 Super Duty, F350 Super Duty Pan,Filter
- TRANSMISSION OIL FILTER – Remove & Replace – F250 Super Duty, F350 Super Duty Line,Filter
- Remove original bed from vehicle with fork lift, lower flat / utility bed onto frame with fork lift for mock up. Fabricate 1 inch square tube spacers for front sections of cross member supports & align for proper cab clearance, wheel well spacing, and center. Spacers leveled bed true verified with bubble level. Customer mentioned welding on a trailer receiver to new bed, bed rails do not exactly match frame and spacers / hold down bolts deemed a liability for towing purposes. Recommend custom flat / utility bed shop.
- FUEL TANK – Remove & Replace – F250 Super Duty, F350 Super Duty – [Includes: Drain and fill.] Install Customer Supplied S&B 60 Gallon Tank
- Diagnose & Advise Pillar Gauges Inop
- FUEL INJECTION POWER MODULE – Remove & Replace – F250 Super Duty, F350 Super Duty, 6.0L Eng FICM – [Includes: Programming.]
- WATER PUMP – Remove & Replace – F250 Super Duty, F350 Super Duty, Automatic Trans, Diesel w/o Dual Alternators
- FRONT BUMPER – Remove
Dennis V. gave our service a 5 star review on 6/5/2026 -
2019 RAM 2500 HD
Mileage147,637Service Date5/12/2026Services Performed- Self test codes: P24C9 & P24B5 (PM sensor circuit). Follow test procedure, led to replacement of PM sensor.
- Replace faulty PM sensor under warranty.
- Performed LOF, greased front end and topped off vital fluids to vehicle. No further action needed at this time.
- Replace rear brake linings. Inspect condition and thickness of rear brake disc rotors. Retract rear brake caliper actuators. Clean and lubricate rear brake caliper slide mechanism. Adjust parking brake. Road test vehicle.
- Replace front brake pad linings. Check front brake disc rotor condition. Clean and lubricate brake calipers and slide mechanisms. Check and fill brake fluid. Bleed air from system. Road test vehicle.
Michael R. gave our service a 5 star review on 5/13/2026 -
2021 Ford F-550 Super Duty
Mileage74,681Service Date4/6/2026Services Performed- Self test codes: P008A (low pressure fuel system pressure – too low)PCM , B10F3 (left front position light)BCM, B10F4 (right front position light)BCM, B1380 (steering wheel right switch pack)SCCM, U2101 (control module configuration incompatible)SCCM. PID monitor low side fuel system pressure, 76psi. Recent Ford OE fuel filters replaced, check for leaks none. Check lower filter hosing, found 2 hold down bolts not fully seated. Bolts binding up during tightening attempt. R&R lower fuel filter & inspect, filter ok. Chase & clean threads, tighten to spec.
- FUEL FILTER – Remove & Replace – Diesel On Tank, Assembly, w/o Fuel Tank Removal
- Check for modules requiring later calibration files via OE server, update / reprogram all modules available. Clear codes & retest / let run & road test, allok.
Joe C. gave our service a 5 star review on 4/16/2026 -
2013 Chevrolet Silverado 2500 HD
Mileage87,896Service Date3/19/2026Services Performed- had multiply codes clear codes and had code for soot level high and egt4 did pin point test found egt4 was out of spec needs manual regen
- replace faulty sensor and perform ddpf regen road test no light
Matt R. gave our service a 5 star review on 3/19/2026 -
2018 RAM 3500 HD
Mileage95,661Service Date2/5/2026Services Performed- cel light on for p006f,p2bac,p003a did component test and found the TURBOCHARGER ACTUATOR ASSEMBLY was out of spec during pin point test. Testing led to replacement of turbocharger VGT actuator, suspect VGT failure caused driveability and emission codes as engine braking was inop prior to replacement as well as exhaust emissions system was subjected to improper / bias input readings.
- Drain cooling system, R&R passengers fender skirt for access. Remove turbo VGT actuator assembly and perform calibration test, failed. Replace faulty VGt actuator, refill cooling system & top off, perform calibration procedure & clear codes. Road test & retest, all ok. Codes no longer present. Grease zerk fittings for customer.
Alden P. gave our service a 5 star review on 2/10/2026 -
2004 Ford Cab & Chassis
Mileage148,466Service Date1/23/2026Services Performed- REPLACE BROKEN CLAMP AND REALIGN PIPE TO TURBO
- REPLACE COOLANT BOTTLE DUE TO IT LEAKING FROM BEING MELTED
Shane S. gave our service a 5 star review on 1/23/2026 -
2016 Chevrolet Silverado 2500 HD
Mileage98,011Service Date12/16/2025Services Performed- tested glow plug harness tested good test glow plug it was out of spec
- remove fender liner to remove glow plug lube one new glow plug install reinstall fender liner tested no light at this time
Jim A. gave our service a 5 star review on 12/17/2025 -
2019 Ford F-350 Super Duty
Mileage141,603Service Date11/21/2025Services Performed- VIBRSTION COM ING FROM FRONT HUBD BEING LOCKED HORN WORKS WITH NO ISSUES
- UNBOLTED OLD TIE ROD AND COUNTED THREADS AND REPLACED WITH NEW TIE ROD AND AND RETIGHTEND EVERYTHING TO SPEC
- REMOVED HUB AND KNUCKLE AND AXLE SHAFT PRESSED OUT OLD BLOWN OUT BALL JOINTS AND REPLACED WITH NEW BALL JOINTS AND REGRESSED AND RE INSTALLED KNUCKLE AND HUB ASSEMBLY
- Replace front brake pads and rotors. Clean and lubricate brake calipers and slide mechanisms. Check and fill brake fluid. Bleed air from system. Road test vehicle.
- Replace rear brake linings. Inspect condition and thickness of rear brake disc rotors. Retract rear brake caliper actuators. Clean and lubricate rear brake caliper slide mechanism. Adjust parking brake. Road test vehicle.
- REMOVED 4 BOLTS AND TUBE FROM THE BREATHER AND REMOVED AND REPLACED WITH NEW CCV AND RETIGHTEND TO SPEC
- Perform LOF With BG Diesel Oil Conditioner, Replace Fuel Filters & Install BG Diesel Fuel System Cleaner, Replace Air filter, Top Off Fluids, Rotate Tires & Set Pressures, Inspect Front & Rear Brakes, Steering & Suspension, Grease All Zerk Fittings, Perform Multi-Point Inspection.
Ricardo F. gave our service a 5 star review on 11/21/2025
Contact Us Today for an Auto Repair Estimate
Our friendly and knowledgeable staff is always happy to answer any questions you may have and will keep you informed throughout the entire repair process. So why pick us for all your Plaistow auto repair needs? The answer is simple: expertise, customer service, affordability, convenience, and quality. Contact us today to schedule your appointment and experience the difference for yourself.
Hours
Mon-Fri : 8am-5pmSaturday : By Appointment
Sunday : Closed
Address
Last Stop Diesel
4C Danville Rd
Plaistow, NH 03865
