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'93 Camry LE v6 3.0 Studdering @ 40-50mph, Rough Running

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'93 Camry LE v6 3.0 Studdering @ 40-50mph, Rough Running

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  #1  
Old 04-14-2018, 01:27 AM
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Default '93 Camry LE v6 3.0 Studdering @ 40-50mph, Rough Running

I picked this car up mainly due to the low miles (99,xxx) and the fact its a V6. Well it ran like absolute garbage when i got it, i knew it needed a tuneup at the least.

i replaced the plugs and wires with NGK, double checked the gap on the plugs as well. Replaced air filter, fuel filter, distributor, cap & rotar. It made a difference for sure but i am still having some issues.

The first being that if you are at roughly 1/3 throttle and going somewhere between 40 and 50 mph, it has a studder that rattles the whole car. Oddly enough, if you go 1/2 or more, or less than 1/3 throttle (lightly pressing it), the studder doesnt happen?

The car also runs rough, especially when cold. I have taken it to two mechanics who cant figure it out and are calling some Toyota technicians for help. THey said they may not hear back for a week or so.

All fluids are good. It sort of sounds like there is a miss but i cant track it down. The cat converter is also basically new as i can see daylight through it.
 
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Old 04-14-2018, 12:50 PM
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Stick or automatic trans?

Was the ign coil replaced?
 
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Old 04-14-2018, 02:58 PM
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Originally Posted by toyomoho View Post
Stick or automatic trans?

Was the ign coil replaced?

Ignition coil has not been changed and it is an automatic.
 
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Old 04-14-2018, 06:48 PM
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Try to determine if the "studder" is related to the engine or trans. A bad torque converter can cause the car to shake.

Check spark. Should be white or blue and able to gap one inch.

Check coil for cracks and signs of arching.
 
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