U Wrench It Auto

U Wrench It Auto We specialize in helping the DIY auto community repairing their own vehicles, either with working shoulder to shoulder with a technician or by yourself.

We provide everything you need to do the job in a safe, professional, and experienced atmosphere.

Three shops couldn’t solve it. We did.This 2008 Audi A6 2.0T came to us after visiting three different repair shops with...
08/05/2026

Three shops couldn’t solve it. We did.

This 2008 Audi A6 2.0T came to us after visiting three different repair shops with a crank/no-start condition. The vehicle also had U0100 (Lost Communication with ECM/PCM) and U0101 (Lost Communication with TCM) stored, pointing to a communication issue, but not necessarily telling you why.

Instead of guessing and throwing parts at it, we diagnosed the system step by step.

Here’s what we verified before condemning the PCM:

• Battery voltage and power supply integrity
• ECM and TCM fuses
• Power and ground circuits to the ECM
• CAN bus communication between modules
• Relay and ignition power circuits (Terminal 15)
• Wiring integrity to rule out opens and shorts

After eliminating every external possibility, the evidence pointed to a failed PCM.

We opened the module and found the culprit: a visibly burned internal component on the circuit board. That internal failure was preventing proper communication and keeping the vehicle from starting.

We installed a used PCM, performed the required programming and adaptation, and the Audi fired right up. It’s now running exactly as it should.

The lesson: Communication codes like U0100 and U0101 don’t automatically mean the PCM is bad. Proper diagnosis is what separates replacing parts from fixing cars.

At U Wrench It Auto, we believe in proving a failure before recommending a repair. That’s how you save customers time, money, and frustration.

Third 2.0T in two months. Out with the old, in with the new. Soon to come. What starts as a tired or failed engine ends ...
08/01/2026

Third 2.0T in two months. Out with the old, in with the new. Soon to come.

What starts as a tired or failed engine ends up leaving our shop ready for thousands of reliable miles.

Every build gets the same attention to detail:

✔️ Complete teardown and inspection
✔️ Precision measurements and machine work when needed
✔️ New bearings, rings, seals, timing components, and hardware
✔️ OEM replacement or fully built performance internals
✔️ Careful assembly with factory specifications and proper clearances

Whether it’s a stock daily driver, a Stage 2 weekend car, or a fully forged performance build, we build every engine as if it were going into one of our own vehicles.

From complete engine rebuilds to installation, diagnostics, and tuning support, we’ve got your Audi or Volkswagen covered.

📍 U Wrench It Auto | Palmyra, NJ

We also build complete engines for customers nationwide and can ship directly to your door.

Maintenance and performance go hand in hand. 🔧🔥This Audi SQ5 came in for a little preventative maintenance and a few upg...
07/29/2026

Maintenance and performance go hand in hand. 🔧🔥

This Audi SQ5 came in for a little preventative maintenance and a few upgrades while everything was accessible.

✅ Carbon cleaning to restore airflow and performance
✅ Routine maintenance to keep the 3.0T healthy
✅ Upgraded heat exchanger to help reduce intake air temperatures (IATs)

One of the biggest enemies of a supercharged engine is heat. As intake temperatures climb, the ECU begins pulling timing to protect the engine, which means less power and less consistency. An upgraded heat exchanger helps keep temperatures under control, especially during spirited driving or tuned applications.

Whether your goal is reliability, performance, or both, proper maintenance is the foundation. Taking care of these items before they become problems keeps your Audi performing the way it was meant to.

At U Wrench It Auto, we specialize in Audi and Volkswagen maintenance, diagnostics, repairs, and performance upgrades.

📍 Palmyra, NJ

Sometimes the biggest lessons come from the mistakes that cost you the most.This one cost us thousands of dollars, weeks...
07/28/2026

Sometimes the biggest lessons come from the mistakes that cost you the most.

This one cost us thousands of dollars, weeks of time, and taught us a lesson we’ll never forget.

We had three engines at the machine shop at the same time. Somewhere during the process, one set of Audi cam covers got mixed up with another engine.

Everything was assembled, the engine was shipped back to the customer, and during final inspection we realized the engine wouldn’t rotate.

At that moment, we had a decision to make.

We could guess.

We could force it.

Or we could do what every reputable engine builder should do.

We tore the engine completely back apart.

Using machinist’s dye, precision measurements, and eliminating one possibility at a time, we eventually discovered the problem. The original cam covers were still sitting at the machine shop. Once we matched the correct set back to the engine, everything fit exactly as it should and the engine rotated freely.

That mistake cost us thousands of dollars in labor, shipping, and lost time.

The customer never paid a dime.

That’s part of standing behind your work.

Engine building isn’t just about bolting parts together. It’s about measuring, verifying, questioning your assumptions, and taking responsibility when something isn’t right.

We’re sharing this because social media usually only shows the perfect finished product. The reality is that every experienced engine builder has a story like this.

The difference isn’t whether mistakes happen.

The difference is whether you own them, fix them, and make sure they never happen again.

That’s how we operate at U Wrench It Auto.

One day it’s an Audi engine build. The next it’s a gorgeous ’69 Chevelle on a Ridetech suspension.That’s one of the thin...
07/24/2026

One day it’s an Audi engine build. The next it’s a gorgeous ’69 Chevelle on a Ridetech suspension.

That’s one of the things we love most about this business. Every day is different, and every car has a story.

This one is absolutely stunning from top to bottom.

📍 U Wrench It Auto | Palmyra, NJ

07/24/2026

Not every misfire on an Audi 3.0T is caused by ignition components.

This is a perfect example of why proper diagnostics matter.

In this case, the supercharger intercooler core developed an internal coolant leak, allowing coolant to enter the intake port on the driver’s side cylinder head. The result? A misfire that could easily be mistaken for a bad spark plug, ignition coil, or injector.

The Audi 3.0T has several common failure points that can all produce similar symptoms. That’s why guessing gets expensive.

Proper diagnostics save time, money, and unnecessary parts replacement.

If you’re chasing a persistent misfire on your Audi 3.0T, make sure you’re looking at the whole picture.

📍 U Wrench It Auto | Palmyra, NJ

Some engines are built for boost. Others are built for 8,000 RPM. 🔥The B7 RS4 is one of those cars that never gets old.A...
07/22/2026

Some engines are built for boost. Others are built for 8,000 RPM. 🔥

The B7 RS4 is one of those cars that never gets old.

Audi’s hand-built 4.2L FSI V8 has one of the best exhaust notes they’ve ever produced. Crisp throttle response, an 8,250 RPM redline, and a sound that’s hard to beat.

This customer’s RS4 came to us by recommendation from jackalmotorsports. Huge thanks to Matt and Tony for trusting us with your customers. We truly appreciate the continued support.

This RS4 was in for maintenance and a few known problems with these to keep everything healthy so it can continue to be enjoyed the way Audi intended.

Whether it’s preventative maintenance, diagnostics, or major repairs, taking care of these cars before problems become expensive is always the goal.

There’s just something about hearing an RS4 fire up that reminds you why these cars have such a loyal following.

At U Wrench It Auto, we specialize in Audi & Volkswagen diagnostics, maintenance, engine builds, and performance.

📍 Palmyra, NJ

V8 AudiPerformance GermanCar

When an Audi technician says a timing belt job is involved… you know it’s serious. 😅🔧This Ford Focus timing belt service...
07/21/2026

When an Audi technician says a timing belt job is involved… you know it’s serious. 😅🔧

This Ford Focus timing belt service definitely keeps you on your toes.

From specialty timing tools to locking the camshafts in place and verifying everything is perfectly synchronized, this isn’t your typical timing belt replacement. There’s a reason taking shortcuts on jobs like this can end up costing an engine.

Every manufacturer has their own way of doing things, and this Focus certainly has a few tricks up its sleeve.

The key is taking your time, following the proper procedures, and making sure every timing mark is exactly where it belongs before that first startup.

Whether it’s a Ford, Audi, Volkswagen, or another make, precision matters. One tooth off can make all the difference.

📍 U Wrench It Auto – Palmyra, NJ

Let’s play a game… 🔍👨‍🔧This Kia came in with a seized engine.Before we tore it completely apart, we found this.Can you s...
07/20/2026

Let’s play a game… 🔍👨‍🔧

This Kia came in with a seized engine.

Before we tore it completely apart, we found this.

Can you spot the failure? 🤔

Drop your guess in the comments before scrolling. Bonus points if you know exactly what caused the engine to seize.

We’ll reveal the answer in the next post!

👇 Let’s see who gets it right.

Sometimes “bolt-on” isn’t as simple as it sounds. 😅🔧This Audi came to us after a DIY DSG transmission wiring harness ins...
07/19/2026

Sometimes “bolt-on” isn’t as simple as it sounds. 😅🔧

This Audi came to us after a DIY DSG transmission wiring harness installation didn’t go as planned.

The customer installed the ECS harness himself, but once everything was back together, the transmission wasn’t happy. That’s where we stepped in.

We disassembled the valve body, correctly installed the harness, verified everything was routed and seated properly, and got the DSG operating the way it should.

There’s nothing wrong with tackling projects yourself—we actually encourage enthusiasts to learn. But jobs like this remind us that some repairs are much more involved than they appear online. One small mistake can turn into hours of troubleshooting.

If you’ve ever been inside a DSG transmission, you know… this isn’t your average Saturday afternoon project. 😄

Whether you’re finishing a project, fixing a previous repair, or just want it done right the first time, we’re here to help.

📍 U Wrench It Auto – Palmyra, NJ

Transmission GermanCars AudiLife MechanicLife

Address

705 NJ-73
Palmyra, NJ
08065

Opening Hours

Tuesday 9am - 7pm
Wednesday 9am - 7pm
Thursday 9am - 7pm
Friday 9am - 8pm
Saturday 8am - 10pm
Sunday 8am - 5pm

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