OBD1 CHECK ENGINE LIGHT CODES

Lexus vehicles 1990-1995 codes

If you don't have, OBD1 SCANNER you can use jumper wire .
To get the codes yourself, turn the engine off and connect a jumper wire (Or a paper clip works too) between terminals TE1 and E1 of the diagnostic terminal connector located in the engine compartment or under the left side of the dash. When you turn the key on (do not start engine), the check engine light lamp in your dash panel will start to flash the codes. Codes are usually shown in 2 digits numbers like code 24 is 2 flashes, a pause and 4 flashes. A pause of 2.5 seconds will follow the next code. When all codes are transmitted, the entire code will be flashed again after 4.5 seconds.Clearing the codes is simple that is done by removing the fuse of the EFI from junction box 2 for 10 seconds. Make sure to remove the jumper wire and switch the key off before clearing the codes.Here are some common Lexus vehicles 1990-1995 codes:Code 12 and Code 13 Rpm signal circuit faultCode 14 Igniter signal circuit faultCode 16 ECT control signal faultCode 21 and Code 28 Main oxygen sensor fault (for ES300; SC300 & GS300 models)Code 22 Coolant temperature circuit faultCode 24 Intake temperature sensor circuit faultCode 25 and Code 26 Air fuel ratio fault (for ES300 & SC300 models)Code 27 Sub-oxygen sensor circuit fault (for ES300 CA & GS300 models)Code 31 Low airflow meter voltage (for ES300 and GS300 models)Code 32 High airflow meter voltage (for ES300 model)Code 35 Barometric pressure sensor circuit fault (for GS300 & SC300 models)Code 41 and Code 47 Throttle position sensor circuit faultCode 42 Vehicle speed sensor circuit faultCode 43 Starter signalCode 51 Switch condition signal fault (for ES300; GS300 & SC300 models)Code 52 Code 52 and Code 55 Knock sensor circuit faultCode 71 EGR system circuit fault (for ES300; GS300 & SC300 models)Code 78 Fuel pump control circuit fault (for GS300 & SC300 models)

CHECK ENGINE PERFORMANCE WIHT COMPRESSION GAUGE

The compression gauge is used to check the ability of each cylinder to compress the air/fuel mixture for burning. It is an important tool for troubleshooting .it can tell the mechanic about a number of important internal engine parts and how they are working.
Using the gauge: to use a compression gauge to check engine cylinder compression, remove all the spark plugs insert the tip of the compression gauge into the spark plug hole.
Crank the engine over for a period of time to complete revolutions of the engine. Most good compression gauges equipped with a device that traps the air inside the gauge so that the highest reading obtained will stay on the face of the indicator ( by the use of a dual pointer) until you release it. Note the reading on the indicator (write it down), then go to another cylinder and repeat until you have checked all the cylinders.
CHECKING THE RESULTS: Because all engine are note identical, it is best to refer to the shop manual for the engine you are working on for correct readings. The gauge readings should be 10 pounds above or below the reading specified by the manufacturer .
Reading below the listed specifications indicate that the rings, valves or pistons require maintenance. you can further check this by squirting some medium-weight oil into each spark plug opening. Work the oil down into the rings by cranking the engine over for a few seconds, then repeat the checks with the compression gauge. If the reading come up normal, the problem is the rings, pistons or cylinder.
BLOWN HEAD GASKETS: A serious drop in pressure in one or more cylinders can mean several things, from broken rings to a hole burned in a piston, but the most likely cause is a blown head gasket. Another strong sign of a blown head gasket is tow side-by-side cylinders that show approximately the same low compression reading while other cylinders check as good. This indicates that the head gasket is blown (torn or broken) between the cylinders.
Caution: BE SURE TO DISCONNECT THE COIL HIGH-TENSION LEAD BEFORE CRANKING THE ENGINE.

GM Daewoo

GM Daewoo made one million tow hundred and fifty km. I Read a lot about the Daewoo cars in several forums and Most people are saying it is bad cars, Here the word must be said about the right of the CIELO type .it is meter recorded No 1000250 km without entering the engine to a service (only periodic maintenance), and this type of car GM Daewoo cielo 1996 model, It was working for the famous University (Omar Al-Mukhtar) box-east of Libya, for the movement of mail to the secretariat of the University of Education in Sirte, about 500 km far. This is also achieved significant success of the car between the middle class of people for being small in size and engine size of 1.5 was omitted, as well as cheap and convenient, fast and spare parts widely available, inexpensive and simple repairs. People still like it to the rest of the Daewoo cars until now.

the first engine oil

Gasoline is the first planetary

Appeared for the first time the invention of a new engine oil has been invented in 1885 a German man named Karl Benz

mazda 323 trouble fix

For questions about cars and the problems addressed
Section will address the questions of many of the cars and the car was beginning to Mazda 323 up to model 1999 that most of it through to our workshop will be included in these section mechanical faults, electrical and electronic systems installation methods, such as alarms, central doors and cassetplayer.