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Trouble shooter 1
Trouble shooter 1, ASE Certified Technician
Category: Car
Satisfied Customers: 371
Experience:  associates degree 9 years warranty
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1995 chevy camaro 3.4L 160K miles. car lacks power, especially

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1995 chevy camaro 3.4L 160K miles. car lacks power, especially in fourth gear with tcc engaged above 45 mph. trans mech says its the engine, not the tran. sure enough, cylinder balance test fails on cylinder 4. disconnect idle air control then start engine, idles at 2200 rpm. shut off engine. disconnect each wire at the coil. rpms drop to about 2100 on every cylinder except cylinder 4 where it drops to about 1600 rpm. put a new coil pack on cyl 4, swapped wires and plugs between cly 4 and cyl 2, replaced the fuel injector in cyl 4. problem has not changed. its as if cylinder 4 is overcontributing or the other 5 cylinders are all undercontributing. what's left ? the ignition module, the rings and and the valves ? BTW, put in all new valve lifters, wires and plugs about two months ago. problem started after that.
Submitted: 8 years ago.
Category: Car
Expert:  Trouble shooter 1 replied 8 years ago.
valve on cylinder 4 may need adjusting
Customer: replied 8 years ago.

i follow you. intake or exhaust or both ? would it be too loose or too tight ? thanks.

Expert:  Trouble shooter 1 replied 8 years ago.
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