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Acceleration, RPM limit, Cold start issues

Tiny
ANGELO9657
  • MEMBER
  • 1989 NISSAN 300ZX
  • 3.0L
  • V6
  • AUTOMATIC
  • 122,000 MILES
Hello, I have a Nissan 300ZX that doesn't want to rev above 2500RPM. For example, i'll be going over a bridge, and I can't keep up with the cars in front of me because my car doesn't want to pull more power from the engine. It just maxes at 2500-2600RPM. Also, the car doesn't like to start in the cold, and when it does, I have to hold the accelerator (after it turns on) for a little, in order to heat up the engine. And when I accelerate at low RPM (1200-2000) the car likes to hesitate, it gets jumpy.
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Tuesday, February 24th, 2015 AT 1:25 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,170 POSTS
Yep, this happens when the catalytic converter gets clogged up. To be sure this guide can help you confirm the issue.

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Please go over this guide and get back to us.
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Tuesday, February 24th, 2015 AT 6:09 PM

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