help rough idle

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01-25-2007 | 04:36 PM

skyludeboy

Thread Starter

New Member

Joined: Jan 2007

Posts: 3

From: uk

help rough idle

hi guys i a honda jazz owner from the uk i need help with my car it has a really rough idle and does not go over 2000rpm and the engine check light is on i stuck in a diognostic reader in the port gave me 3 codes p0123, p0223 and p1247 i need to know how to fix these codes as i cannot drive my car how do i fix throttle sensor circuit a input high and throttle sensor circuit b input high all help will be appreciated as i cannot find any answers from no where

thank you

01-25-2007 | 05:50 PM

kentris

Member

Joined: Aug 2005

Posts: 577

From: UK

is the car still under warranty?

01-25-2007 | 09:23 PM

03DSM-RSX

Frequent FitFreak Poster

Joined: May 2006

Posts: 619

From: Houston

Quote:

A P0123 code means that the the car's computer has detected that the TPS (throttle position sensor) is reporting too high a voltage.
A code P0123 may mean that one or more of the following has happened:

TPS not mounted securely
TPS circuit short to ground or another wire
Faulty TPS
Damaged computer (PCM)

If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.
If there are symptoms such as the engine is stumbling or hesitating, carefully inspect all wiring and connectors that lead to the TPS. More than likely the problem is with the TPS wiring. Check the voltage at the TPS (refer to a service manual for your vehicle for this specific information). If the voltage spikes or is too high (over 4.65 volts with key on, engine off), then that is indicative of a problem. Carefully trace each wire from the TPS wiring harness to check for breaks, rubbing against other components, etc.

P0233 Fuel Pump Secondary Circuit Intermittent

couldnt find p1247. search google for codes and possible solutions.