QG15 issue
10

Asked by Femalenewdriver Sep 27, 2018 at 03:37 PM about the Nissan Sunny

Question type: Maintenance & Repair

I have converted a RB20 engine to a QG15 in my B13. There is an ongoing issue
with a jerk. It happens on occasion when I accelerate and when I apply the
brakes. I also have an idle problem when in traffic. Please assist as soon as
possible because the engine is still under warranty.
PS I have already changed the plugs and coil packs.

3 Answers
160

Nick answered 6 years ago

Does the jerk happen a certain gear or is it just when you let off the break to accelerate. Also what ki d's of idle problem is going on?

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10

Femalenewdriver answered 6 years ago

Not on a certain gear. It happens when I apply the break and also when I accelerate. And it seems random. As for the idling, it is okay, but sometimes when I stop, it races and decelerates a few times on its own, until I switch off. I have already changed the idle motor.

1 people found this helpful.
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160

Nick answered 6 years ago

If the jerking is random you could possibly have a failing cv axel. As for the idle you may have a vacuum leak or maybe a sensor is losing connection.

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