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The exhaust gas recirculation (EGR) valve on used Lanos has long been the subject of research by many drivers. Regardless of its design and engine type, sooner or later the question arises whether to plug the EGR valve, repair it, or install a new one. Of course, the environment is important, but nerves are more expensive.
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Hydraulic tappets are a useful and practical thing, but not every engine has received this privilege. Chevrolet Spark with an S-TEC engine, for example, was left without them, and therefore the adjustment of the thermal valve clearance shines on the owners of all 0.8 and 1.0 l S-TEC engines. How to adjust the valves with your own hands, when and what will happen if you drive with unadjusted clearances, let's understand right now.
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DTC P0400 usually occurs on engines with mileage over 60-80 thousand km regardless of the make and model of the vehicle and regardless of the engine type - diesel or gasoline. According to the OBDII protocol, Diagnostic Trouble Code (DTC) P0400 indicates a malfunction in the exhaust gas recirculation system. Let's find out how to reset the error, why the code P0400 is displayed and how to fix the problem right now.
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Valve clearance hydraulic tappet does all the dirty work for us to adjust the clearance between the valve and the camshaft (pusher, rocker). Nevertheless, with a careless attitude to the engine, the sound of hydraulic lifters can really ruin your mood and throw up problems. Is it possible to ride on knocking pushers, how to get rid of knocking, and what to do to increase the resource, repair or buy hydraulic lifters, we will consider these subtleties right now.
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Nissan's QR20DE engine was installed until 2013 not only on the Nissan X-Trail but also on several other models, in particular, the popular Primera. Adjusting the thermal clearance of the valves (valve clearance) is included in the list of required work on engine maintenance.
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Eight-valve engines developed by Renault K7J, K7M are installed on Renault Logan, Renault Sandero, Dacia Largus, and some other models of the Renault/Nissan concern. Adjusting the valves on the K7J and K7M engines is an important procedure to keep the engine running properly. It also does not hurt to check the valve clearances when replacing the gasket if there is an oil leak from under the cover.
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Old Volkswagen Golf 4 generations were going to 2006. They set about a dozen different engines with a good set of gearboxes. In particular, 16-valve motors 1.4 and 1.6 liters of different series show themselves as reliable and hardy aggregates with small problems. One of them is a broken or worn EGR valve that causes an fault code Р0401 (16786).
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The Toyota 2AZ-FE inline 16-valve four-cylinder engine was installed in a number of popular Toyota models - Camry, RAV4, Alphard, Harrier and some others up until 2019. Today, let's figure out how to adjust the valve clearances in 2AZ-FE engines, when to do it, and what's best to replace along the way.
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