Having problems with your Toyota Tercel ?
# 4 cylinder 30 lbs compression - Tercel Toyota Cars & Trucks
It indicates a sticking valve or lifter. you will have to do a leak down test to rule out the piston rings for that cylinder. most engines should have 140 to 160 cranking compression. a low compression on one cylinder indicates a bad exhaust valve. have a good day !!
Repair Help & Product Troubleshooting for Toyota Tercel
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