New answers tagged

1

Thank you everyone, the actual answer is, as 'I have no idea what I'm doing' have posted a link in comments, no fuel is being injected at all, so modern engines consumes fuel at idle speed, when you switch in neutral and keep rolling, but it consumes no fuel at all if you just take your foot off and leave in gear, using an engine as a break. Plus you don't ...


1

So I have 2 vehicles I can confirm it is better to stay in gear. 1987 Dodge Daytona Shelby Z 2.2L MPFI intercooled turbo 5 speed stick. It has an in dash navigator with a live fuel usage readout. Leaving it in gear would consistently get better gas mileage than dumping it in neutral. Even coming down mountains, where I am actually accelerating in neutral,...


0

How EFI Manages Injection So, reading this article on fuel injection, it seems to answer your question. The answer being - yes the ECU does still add fuel, it just does it differently. Personally I don't understand all of how ECU code works (cause I haven't studied it, I am a computer programmer tho), but I imagine they are separate, non-correlated items. ...


0

I recently troubleshooted a very similar issue on a friend's Outlander. Different car but physics is physics. He was complaining of a similar rough idle and occasional stalling when the car would come to a stop. Turning the A/C on helped smooth out the idle. The dealership was tried cleaning the throttle body, which reduced the severity of the symptoms but ...


1

Have him change the fuel filter. These get dirty and need changing. Very easy and cheap if it's external. Some are inside the tank. A dirty filter can restrict fuel flow. If you have high miles this could be the problem



Top 50 recent answers are included