Lexus RX300 Battery Drains Parasitic Draw

This 2001 Lexus RX300 would drain the battery periodically when the vehicle sits. After testing for a parasitic draw and none found we performed the normal electrical system tests and returned the vehicle. The battery load test was weak but not completely failing, I was confident that it was not the cause of the problem. I have seen battery failure… Read More

98 Ford F150 Runs Rich Black Smoke

This is a 1998 Ford F150 4.2L 6 cylinder MT 5spd RWD with about 98,000 miles on it. This is just one of those crazy problems that threw me for a loop so I figured I would share the problem. Has anybody ever seen this before? Please read and comment below, thanks. Vehicle runs rich, blows black smoke, b1s1 and… Read More

VW Eurovan Cooling Fan Inoperative

This is a 2003 Volkswagen Euro van that came in with air-conditioning not working. Vehicle didn’t have any engine temperature problems just blowing warm air from the AC. After checking the manifold pressure’s seeing that the freon was not the problem and the AC compressor is working good but there is excessive high pressure on the high side. This tells… Read More

DIY Instrument Cluster | Circuit Board Repair

Over the years of automotive electrical repairs I have learned some very helpful tricks that I like to share. This one is a common circuit board problem that you can expand beyond just repairing instrument clusters. I have used this method to repair Volvo ABS computers and other circuit board failures. The pictures below will show examples of what to… Read More

Chrysler Town & Country – Severe Misfire

This article is directed towards a Chrysler Minivan that I had in the shop the other day with a strange problem that I have seen a few times before so I wanted to inform others about this problem. The problem starts from a simple issue you would never expect to lead to this. Take a look at the cut open… Read More

Subaru Coolant Gauge Problems

This article will explain some basic testing procedures and common fixes for problems with the coolant gauge. When diagnosing any coolant temperature problem the first thing you need to do is make sure the cooling system is operating properly and the vehicle is running at a normal operating temperature. If you’re having problems with your coolant gauge not reading correctly… Read More

Volkswagen Instrument Cluster Failure

Over the years of working on VW’s I have encountered enough instrument cluster failures that I would consider it a common problem. There are a few things you should be aware of before attempting to repair this unit. Don’t Buy Used VW Cluster I have tried this route already and have been burned multiple times. The bad part about it… Read More

Charging System Voltage Regulation

At the heart of the automotive electrical system is the alternator. Without voltage regulation the alternator would consistently produce too much voltage overcharging the battery and causing damage to the electrical system itself. Alternator charging voltage can be regulated using an electro-mechanical, electronic, or computer controlled regulator. Most late model vehicles use computer controlled regulation. This is when the function… Read More

Ignition System Diagnosis

The ignition system is designed to convert battery voltage into the high voltage required to ignite the air/fuel charge in the cylinders. There are two basic types of ignition systems as defined by SAE: Electronic Ignition (EI) and Distributor Ignition (DI). Although both types are electronic, SAE assigned the term ‘Electronic Ignition’ exclusively to distributorless designs. In contrast, Distributor Ignition… Read More

Toyota Knock Sensor

What to look for in knock sensor failure First off there are few things that you need to consider when diagnosing and replacing a knock sensor on Toyota vehicles. Some Toyota models have two knock sensors(left bank and right bank) It’s not un-common to have knock sensor wire failure The knock sensors are usually priced at or above $100.00 each,… Read More