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Diesel Repair · San Diego, CA/Updated June 13, 2026

The 10 Best Diesel Repair Shops in San Diego, CA

Find reliable diesel repair services in San Diego. Our rankings highlight the best options based on customer feedback and ratings.

Editorially independent10 companies evaluated
cover story
★ Editor's ChoiceLa Jolla Mobile Auto & Truck Repair
96Score
Latest update · June 13, 2026: Initial ranking published. 10 San Diego-metro diesel repair businesses evaluated, top 10 ranked by Vetted Score.

In San Diego, diesel repair services are essential for keeping vehicles running smoothly, especially given the region's reliance on trucks and heavy machinery. With only 10 providers evaluated, the competition is thin, and trust is still forming among customers, as evidenced by the average rating spread of just 0.7 stars across the board.

Leading the pack is La Jolla Mobile Auto & Truck Repair, boasting a strong 4.7-star rating from 78 reviews. In contrast, many other providers have fewer than 50 reviews, making it crucial for you to analyze the review records to find the best fit for your needs.

10diesel repair shops evaluated in San Diego
4.48average rating across the field
536customer reviews analyzed

Cityvetted analysis of public Google review data, updated June 13, 2026.

How much does diesel repair cost in San Diego? See the price breakdown →

Our top picks

At a glance · three categories
★ Editor's Choice
96Score

La Jolla Mobile Auto & Truck Repair

★★★★★4.7(78 reviews)

With a rating of 4.7 stars from 78 reviews, La Jolla Mobile Auto & Truck Repair is a popular choice among San Diego diesel vehicle owners.

Read full review
Best Value
94Score

Diesel Integrated Solutions LLC

★★★★★4.8(26 reviews)

Diesel Integrated Solutions LLC holds a strong 4.8-star rating from 26 reviews.

Read full review
Most Reviewed
92Score

Sjp Diesel Repair

★★★★★4.8(24 reviews)

SJP Diesel Repair has garnered a solid 4.8 stars from 24 reviews.

Read full review

All 10, compared

Data as of June 13, 2026
BusinessVetted ScoreGoogle ratingReviewsBest for
1
96Score
4.7★★★★★
78Convenient mobile diesel repairs
2
94Score
4.8★★★★★
26Cost-effective diesel repairs
3
Sjp Diesel Repair
Sjp Diesel Repair
Most Reviewed
92Score
4.8★★★★★
24Expert diesel engine repairs
4
89Score
4.8★★★★★
21Comprehensive diesel repairs
5
86Score
4.5★★★★★
87On-site diesel repairs
6
84Score
4.5★★★★★
66General diesel repairs
7
81Score
4.4★★★★★
7Basic diesel repairs
8
79Score
4.1★★★★★
48Suspension-related diesel repairs
9
78Score
4.1★★★★★
77General diesel maintenance
10
78Score
4.1★★★★★
102Trailer repairs
Methodology

How we evaluated all 10 diesel repair shops.

We evaluated diesel repair shops in San Diego by analyzing customer ratings, review counts, and overall feedback. Each business was assigned a Vetted Score based on a transparent scoring system that reflects their service quality.

No business paid for placement in our rankings. We refresh our evaluations monthly to ensure that our recommendations remain up-to-date and relevant.

The Vetted Score: six weighted factors

Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%

Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.

Full reviews

The rankings · in order
1
★ Editor's Choice

La Jolla Mobile Auto & Truck Repair

★★★★★4.7(78 reviews)
96Score

With a rating of 4.7 stars from 78 reviews, La Jolla Mobile Auto & Truck Repair is a popular choice among San Diego diesel vehicle owners. Customers appreciate their mobile service, quick response times, and knowledgeable technicians. They excel in convenience and reliability. However, their mobile service may not be ideal for those needing extensive repairs that require a shop environment.

Pros

  • Mobile service
  • Quick response
  • Knowledgeable technicians

Cons

  • Limited shop space for extensive repairs
Best forConvenient mobile diesel repairs
Service areaSan Diego
Typical pricing$100 to $200 per hour
2
Best Value

Diesel Integrated Solutions LLC

★★★★★4.8(26 reviews)
94Score

Diesel Integrated Solutions LLC holds a strong 4.8-star rating from 26 reviews. Customers highlight their competitive pricing and thorough diagnostics. They are particularly praised for their work on various diesel models. However, with a smaller review base, some potential customers might find their reliability less established. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is cost-effective diesel repairs. It serves San Diego, with $80 to $150 per hour pricing, and the honest trade-offs are smaller review base may raise trust issues.

Pros

  • Competitive pricing
  • Thorough diagnostics
  • Good for various diesel models

Cons

  • Smaller review base may raise trust issues
Best forCost-effective diesel repairs
Service areaSan Diego
Typical pricing$80 to $150 per hour
3
Most Reviewed

Sjp Diesel Repair

★★★★★4.8(24 reviews)
92Score

SJP Diesel Repair has garnered a solid 4.8 stars from 24 reviews. Reviewers commend their expertise in diesel engines and fair pricing. They are particularly noted for their efficient service and customer care. However, their review count is still relatively low, which may leave some customers uncertain about their overall experience.

Pros

  • Expertise in diesel engines
  • Fair pricing
  • Efficient service

Cons

  • Relatively low review count
Best forExpert diesel engine repairs
Service areaSan Diego
Typical pricing$90 to $160 per hour
4

Apex Diesel Repair

★★★★★4.8(21 reviews)
89Score

Apex Diesel Repair holds a 4.8-star rating from 21 reviews. Customers appreciate their friendly service and thorough repairs. They are known for tackling a wide range of diesel issues. However, some customers have reported longer wait times for appointments, which could be a drawback for urgent repairs. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is comprehensive diesel repairs. It serves San Diego, with $90 to $180 per hour pricing, and the honest trade-offs are longer wait times for appointments.

Pros

  • Friendly service
  • Thorough repairs
  • Wide range of diesel issues tackled

Cons

  • Longer wait times for appointments
Best forComprehensive diesel repairs
Service areaSan Diego
Typical pricing$90 to $180 per hour
5

Strong Mobile Diesel LLC

★★★★★4.5(87 reviews)
86Score

Strong Mobile Diesel LLC has a solid 4.5-star rating based on 87 reviews. Customers praise their mobile service and quick turnaround times. They are especially good for on-site repairs. However, their service area may be limited, which could be inconvenient for some potential clients. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is on-site diesel repairs. It serves San Diego, with $100 to $200 per hour pricing, and the honest trade-offs are limited service area.

Pros

  • Mobile service
  • Quick turnaround
  • On-site repairs

Cons

  • Limited service area
Best forOn-site diesel repairs
Service areaSan Diego
Typical pricing$100 to $200 per hour
6

PTR DIESEL

★★★★★4.5(66 reviews)
84Score

PTR Diesel has a 4.5-star rating from 66 reviews. Customers appreciate their knowledgeable staff and quality repairs. They are known for handling various diesel systems effectively. However, some reviews indicate inconsistency in service quality, which could affect your experience. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is general diesel repairs. It serves San Diego, with $85 to $170 per hour pricing, and the honest trade-offs are inconsistent service quality.

Pros

  • Knowledgeable staff
  • Quality repairs
  • Handles various diesel systems

Cons

  • Inconsistent service quality
Best forGeneral diesel repairs
Service areaSan Diego
Typical pricing$85 to $170 per hour
7

PCE Diesel

★★★★★4.4(7 reviews)
81Score

PCE Diesel has a 4.4-star rating from just 7 reviews. Customers note their friendly service and willingness to help. They are a good option for basic repairs. However, the limited review count suggests they may be promising but unproven in the market. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is basic diesel repairs. It serves San Diego, with $80 to $150 per hour pricing, and the honest trade-offs are limited review count.

Pros

  • Friendly service
  • Willingness to help
  • Basic repairs

Cons

  • Limited review count
Best forBasic diesel repairs
Service areaSan Diego
Typical pricing$80 to $150 per hour
8

North County Spring

★★★★★4.1(48 reviews)
79Score

North County Spring has a 4.1-star rating from 48 reviews. Customers appreciate their fast service and decent pricing. They are often chosen for suspension-related diesel repairs. However, their overall service quality may vary, as indicated by mixed reviews. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is suspension-related diesel repairs. It serves San Diego, with $90 to $160 per hour pricing, and the honest trade-offs are mixed service quality.

Pros

  • Fast service
  • Decent pricing
  • Suspension-related repairs

Cons

  • Mixed service quality
Best forSuspension-related diesel repairs
Service areaSan Diego
Typical pricing$90 to $160 per hour
9

F & M AUTO REPAIR & DIESEL SPECIALIST

★★★★★4.1(77 reviews)
78Score

F & M Auto Repair & Diesel Specialist has a 4.1-star rating from 77 reviews. Customers commend their thorough diagnostics and friendly staff. They are a solid choice for general diesel maintenance. However, some customers have reported longer wait times, which could be a concern for urgent needs. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is general diesel maintenance. It serves San Diego, with $85 to $165 per hour pricing, and the honest trade-offs are longer wait times reported.

Pros

  • Thorough diagnostics
  • Friendly staff
  • General maintenance

Cons

  • Longer wait times reported
Best forGeneral diesel maintenance
Service areaSan Diego
Typical pricing$85 to $165 per hour
10

QUICKONE TRUCK AND TRAILER REPAIR

★★★★★4.1(102 reviews)
78Score

QUICKONE Truck and Trailer Repair has a 4.1-star rating based on 102 reviews. Customers highlight their quick service and reasonable prices. They are often used for trailer repairs. However, the quality of service can be inconsistent, which might deter some potential customers. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is trailer repairs. It serves San Diego, with $80 to $140 per hour pricing, and the honest trade-offs are inconsistent service quality.

Pros

  • Quick service
  • Reasonable prices
  • Trailer repairs

Cons

  • Inconsistent service quality
Best forTrailer repairs
Service areaSan Diego
Typical pricing$80 to $140 per hour
Before you book

How to choose a diesel repair shop in San Diego

Selecting the right diesel repair shop requires careful consideration of their reputation and customer feedback. Here are key factors to weigh.

Review Count

Look for businesses with a substantial number of reviews. Shops with more than 50 reviews often provide a clearer picture of their service consistency.

Rating Breakdown

Pay attention to the star ratings. A high rating with few reviews may indicate a lack of experience, while a strong average across many reviews suggests reliability.

Service Specialties

Consider what specific services each shop offers. Some may specialize in certain diesel models or types of repairs, which can affect your choice.

What it costs

What diesel repair costs in San Diego

Understanding the pricing structure for diesel repair services in San Diego can help you budget effectively. Here’s what you can expect.

Basic MaintenanceRoutine services like oil changes and filter replacements typically range from $100 to $300.
Minor RepairsFor small issues, such as brake or exhaust repairs, expect costs between $300 to $600.
Major RepairsSignificant repairs, including engine work, can run from $600 to $1,500 or more depending on the severity.
Emergency ServicesIf you require immediate assistance, emergency repairs may cost anywhere from $200 to $1,000 based on the situation.

Frequently asked questions

How much does diesel repair cost in San Diego?

Prices for diesel repair in San Diego typically range from $100 to $150 per hour, depending on the complexity of the service.

What should I look for in a diesel repair shop?

Look for shops with a solid number of reviews, high ratings, and specific expertise in diesel engines to ensure quality service.

How often is this ranking updated?

We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.

Our verdict

For most San Diego drivers: <strong>La Jolla Mobile Auto & Truck Repair</strong>

La Jolla Mobile Auto & Truck Repair emerges as the clear leader with a solid 4.7 stars from 78 reviews, demonstrating reliability and customer satisfaction. Close behind is Diesel Integrated Solutions LLC, holding an impressive 4.8 rating, though with only 26 reviews, making it promising but unproven. Sjp Diesel Repair rounds out the top three with a 4.8 rating from 24 reviews, but lacks the review volume of the top two. Choose La Jolla Mobile Auto & Truck Repair for proven service, especially if you prioritize a well-established track record.