Engine Boggs down and losses power?

Hi,

It sounds like either the new terminals are loose or not properly connected. Double check them. If you can get a pic of them for me to see, it may help me determine what may have happened.

Also, what do you mean by a blemished battery? If it isn't good, that could be a cause as well.

Try this. Load test the battery in the vehicle. Here is a link showing how that is done:

https://www.2carpros.com/articles/car-battery-load-test

and

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

Also, keep in mind that even if the battery is good and the alternator isn't recharging it, this exact this same thing can happen. Here is a link that explains how to test an alternator. All you need is a volt meter of a multimeter.

https://www.2carpros.com/articles/how-to-check-a-car-alternator

Let start with checking those three things, terminals, battery condition, and alternator output.

Do this and let me know what you find.

Joe

Check fuel pressure with a gauge auto parts rent it it may be low fuel pressure see our link on how to do it. you may need an adapter to do this. if no check engine light then that is what is may be.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

Scan for codes and check fuel pressure with a gauge first auto parts rent it see if you have any codes or low fuel pressure. See link.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

Hi Ronald,

Can you send me the specific codes that you are getting? If you are showing air flow sensor codes, that can cause this issue. Just let me know what they are and we can go from there. Thanks

Okay. If the engine runs fine until it gets warm, these two codes make sense. You are correct they are for the MAF and Ambient temp sensor.

To properly diagnose these codes, you need to test wiring, power, ground, and then the sensor.

If it were me, I would just replace both sensors. You are able to clean these but again, I would replace them and then clean the old ones in the event they ever fail again, you can try to swap them out.

Here is guide on how to clean the MAF. The ambient temp is done the same way.

I did attached a quick voltage check for the MAF. So if you want to check the voltage first that would be how to do it and what you should be seeing.

As for your issue, this would explain why your vehicle is running fine until it is warmed up. When the vehicle is warming up it is running off of a predetermined set of numbers. Once it is warm it starts reading the sensors and if they are wrong then it will cause the vehicle to run poorly.

https://www.2carpros.com/articles/mass-air-flow-service

KASEKENNY1 is one of our best! Please let us know what you find. We are interested to see what it is.

Will it free rev in neutral?

Ok, then I would start with a scan and see if there are any set fault codes, report any codes there for further assistance.

If no codes then nothing in engine management, you have to go looking at other items, may be transmission related, get a trans scan done and see if the TTC is staying in lock up. This is like trying to drive off in top gear.