Crankshaft position sensors, produce a signal, that talks to the engine control module (ECM) / engine control unit (ECU). Consequently, providing the exact position of the crankshaft, as it rotates in the engine. So, now […]
Doing a cylinder leak down test, especially in conjunction with a compression test. Should allow you to quickly determine, the basic condition of any engine. So, a compression test is a “dynamic test” (engine moving). […]
Rear engine oil leaks, that are confused with a rear main seal leak, are usually an oil pan gasket leaking. Consequently, an oil pan gasket is also, much less expensive to replace, than a leaking […]
Automotive engine overheating, happens when your engine fails to run, within a “normal” temperature range. Consequently, a relatively constant operating temperature is absolutely essential, for proper emissions control, good fuel economy and performance. So, a […]
So, it’s the weekend, you’re out enjoying the open road. And, WHAM, your OBD1 “Check Engine” light rears its ugly head. Now, you are wondering, what is wrong with the engine? So, all you need […]
Problems with head bolts, are the number one cause of installation-related gasket failures. Consequently, no gasket is going to seal well, if you use the wrong procedure to tighten the head bolts. For regular bolts, […]
To start with, Water Pump Failure can be extremely hard to diagnose. Although the water pump in most vehicles will last a long time, they are by no means indestructible. So, Like any other mechanical […]
A Vacuum leak can trick you, and your car computer into believing a particular sensor, or system needs fixing. Then, you start replacing components, hoping you’ll fix the problem, unsuccessfully. Often, a vacuum leak makes […]
Engine bearing clearance, is very important and can cause early failures if not correct. Engine bearings should operate with, the least amount of engine bearing clearance as possible. So, tighter oil clearances, produce less peak […]
Zinc additives in engine oils, have been recommended by most engine manufacturers for years. So, why do we have lower zinc and phosphorus levels, in modern engine oils. Consequently, the American Petroleum Institute (API), has […]
New spark plugs, need to be installed, because spark plugs, do NOT last forever. One thing to keep in mind with respect to performance claims, is that spark plugs create horsepower. Because, that is false. […]
So, have you ever thought about using a vacuum gauge, to check the condition of your engine. Consequently, this is similar to doing a cylinder leak down test, but in a much easier way. Vacuum […]
So, the term, interference or non-interference engine, makes a big difference, if you ever have a timing problem. And, if you ever have a broken timing belt or chain !! The cost of repairs for […]
Learning how to read the condition of a spark plug, can be a valuable tuning aid. You can determine a great deal about, your engine’s, overall operating condition. Usually, just by examining, the spark plugs […]
Above all, you should never have, a fuel smell in your vehicle. So, if you smell fuel, this could be a sign of a fuel leak. A fuel leak can be dangerous, because it is […]
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