Later variants were used in the Mazda Demio subcompact until 2002. It was available in SOHC variants and was found in the Kia-built 1988–1993 Ford Festiva, the 1987–1989 Mazda Familia and its derivatives, as well as the Mazda 121 (also known as Autozam Revue) in 54 and 72 PS (40 and 53 kW) versions, and the 1987–1989 Ford Laser, and 1994–1997 Ford Aspire. It is a short-stroke version of the B5/ B6 engines. It generates 88 PS (65 kW) at 7000 rpm and is equipped with Mazda's "EGi" single-point fuel injection. The 1.3 L (1,290 cc) BJ engine (78.0圆7.5 mm) was a DOHC 16-valve engine, used only in the Japanese market Ford Festiva GT, GT-X, and GT-A models (1986.10-1993.01, GT-A from March 1991). A fuel-injected variant was used in select European market 1991-1995 Mazda 121s BJ It was available in the 1987-1989 Mazda 121 and later model Kia Sephia in European and Asian markets. The Mazda B-series is a "non-interference" design, meaning that breakage of its timing belt does not result in damage to valves or pistons, because the opening of the valves, the depth of the combustion chamber and (in some variants) the shaping of the piston crown allow sufficient clearance for the open valves in any possible piston position.ġ.1 L (1,138 cc) B1 - (68.0x78.4 mm) - came only as a SOHC 8-valve. It was used from front-wheel drive economy applications to the turbocharged full-time 4WD 323 GTX and rear-wheel drive Miata as well as numerous other models. However, I think there is a real good possibility that if you find the problem with one of these circuits, the problem with the others will be close by.The Mazda B-series engine - not to be confused with the Mazda B-Series truck - is a small-sized, iron-block, inline four-cylinder with belt-driven SOHC and DOHC valvetrain ranging in displacement from 1.1 to 1.8 litres. One may have a bad solenoid, while another has a loose connector pin, while the third one may have a broken wire. Other than this, the only thing I can tell you to do is to diagnose each circuit individually. If you do not see any obviously damaged wiring harnesses, I would be taking connectors loose and examining the pins inside them. It is possible that moisture and corrosion in a connector is shorting all of these circuits out. These wires all go through the same connectors, including the PCM connectors. They like to crawl up into warm engine compartmens and chew on things like wiring harnesses and vacuum hoses.Īnother common denominator would be harness connectors. ![]() It is that time of year for lots of rodent damage. However, if these all showed up at the same time, I would be taking a hard look at the engine control wiring harnesses. Technically, you have three separate circuit failures no matter how it came about. If your check engine light has been on for quite a while, it is possible that each of these failures occured at separate times and you simply did not know about the second and third failures because the check engine light was already on due to the first failure. The search came up negative - no known issues for ANY of these codes. ![]() I did do a Technical Service Bulletin (TSB) search for your vehicle to see if there were any known problems that regularly cause these codes or if there are any computer programming issues that can cause these. The failure of one of these circuits SHOULD have no effect on the other two. The circuits to each of these solenoids are SEPARATE circuits. Diagnostic Trouble Code (DTC) P0660 has a generic description of "Variable Inertia Charging System (VICS) Solenoid Valve Circuit Malfunction"ĭiagnostic Trouble Code (DTC) P1569 has a generic description of "Variable Tumble Control System (VCTS) Solenoid Valve Circuit, Low Input"ĭiagnostic Trouble Code (DTC) P1250 has a generic description of "Pressure Regulator Control (PRC) Solenoid Valve Malfunction"
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