Low power when in drive

TUNDE FADINA

MEMBER
2005 NISSAN PRIMERA
4 CYL
2WD
MANUAL
13,000 MILES

My car initially powers when in neutral state but once the gears are engaged it barely moves. I have replaced the airflow filter, brain box, injector and numerous sensors. Right now I am about to change the throttle. Can I convert the injection to carburetor to solve this problem once and for all?

2 Replies

KEN L

MASTER CERTIFIED MECHANIC
42,895 POSTS

Is the check engine light on? Its best to leave the injection and just fix it. Here are a couple of guides to help you do some easy testing:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

and

https://www.2carpros.com/articles/engine-has-low-power-output

Please let us know what happens.

Cheers, Ken

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Sunday, August 20th, 2017 AT 5:36 PM

STEVE W.

MECHANIC
12,968 POSTS

Many parts on today's vehicles need to be programmed to match the vehicle they are installed on. You mention that you replaced sensors and the "brain box". Did you also re-program or reset those to match your vehicle? If not then it is very likely that is the problem. The ECM in particular is not an item that can just be swapped out without being matched to your vehicle.

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Monday, August 21st, 2017 AT 6:55 AM