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The Toyota Corolla was originally released to the Japanese public in 1966 and has been in constant production ever since. With over 40 years of continuous production, the Corolla has evolved from a simple carbureted station wagon to a high tech vehicle that can compete with any other family car on the road. The 1995 Toyota Corolla DX and LE came with a distributorless, 1.8-liter, four-cylinder engine that makes use of a crankshaft position sensor to adjust ignition timing. If this sensor has failed the engine may run poorly, if at all.
Items you will need
- Floor jack
- Jack stand
- Socket set
- 3-inch ratchet extension
- Fresh engine oil
- Inch-pounds torque wrench
Park the Corolla on a level surface and engage the parking brake. Lift the front end with a floor jack and place jack stands under the pinch welds in the subframe rails. Lower the front end onto the jack stands. Nudge the Corolla to make sure it is safe to work under. Lift the hood and support it with the hood prop rod.
Lie under the vehicle on the passenger side. Remove four splash shield bolts with a socket and ratchet, then lower the splash shield away from the undercarriage.
Note the crankshaft pulley – it is the bottom-most pulley and the biggest pulley on the engine. Look just above it to find the crankshaft position sensor. From this perspective the sensor will appear to sit behind the oil dipstick tube. The sensor is held to the timing cover by a single bolt and has a pigtail that is connected to the engine wiring harness.
Remove the sensor bolt using a 10 mm socket and ratchet, and a 3-inch extension. Pull the crankshaft position sensor out of the timing cover. Reach upward between the crank pulley and fender well to trace the sensor pigtail to its connection at the wiring harness. Squeeze the locking tab and separate the pigtail from the wiring harness.
Compare the new sensor with the old one – they should be nearly identical. Apply a light coat of fresh engine oil to the O-ring on the new sensor. Lie down under the vehicle and slide the new sensor into the timing cover. Install the mounting bolt and tighten it to 82 inch-pounds with an inch-pound torque wrench.
Connect the new sensor pigtail to the engine wiring harness. The locking tab should click and lock into place when the two are properly connected. Lift the splash shield into place and install the mounting bolts. Tighten the bolts snug with a socket and ratchet.
Lift the front end of the Corolla and remove the jack stands. Lower the front end to the ground. Shut the hood.
- Prodemand.com: 1995 Toyota Corolla; Service Manual; CKP Sensor Removal and Installation
- Prodemand.com: 1995 Toyota Corolla; Service Manual; Engine; Torque Specifications
- Toyota-global.com: Toyota Corolla Heritage