STEP 1: Testing The Ignition System For Spark. STEP 2: Testing The Fuel Pump's Pressure. STEP 3: Making Sure The Engine Has Good Compression. STEP 4: Checking For A Blown Head Gasket. No-Start Troubleshooting Summary. More Ford E150, E250, and E350 Tutorials. APPLIES TO: This tutorial applies to the following vehicles:. If the second one is defective, you have to replace it. 6. Worn Out Ignition Switch. It's one of the most common causes car hard to start. As it tends to deteriorate over time, you will need to replace it when it stops working. If the switch feels hot to touch, there must be a problem with its wiring. The Toyota 1KZ-TE is a 3.0 l (2,982 cc, 181.97 cu-in) four cylinders, four-stroke cycle water-cooled turbocharged internal combustion diesel engine, manufactured by the Toyota Motor Corporation since 1993 to 2003. The 1KZ-TE engine has a cast-iron block with 96.0 mm (3.78 in) cylinder bores and a 103.0 mm (4.06 in) piston stroke for a capacity.