How do I fix code P0652?
If the P0652 remains, they must do the visual inspection of the wiring. *The mechanic must look for damaged, open or disconnected wiring related to the “B” circuit and then do the necessary repairs.
Do LLY have Injector Problems?
As LLY Duramax trucks on the road are only getting older, more and more are being found to have injector harness chafing. Vibrations, heat, and just general wear and tear cause the injector harness to rub against other vehicle components until the wiring gets exposed.
What does P0652 code mean?
OBD-II Code P0652 is defined as a Sensor Reference Voltage “B” Circuit Low. The engine control module (PCM) sends out a 5 volt reference signal to all applicable engine sensors. If the PCM detects an issue with this signal, it will set code P0652.
How do I know if my LLY Duramax injectors are bad?
There is a multitude of symptoms your truck will experience if the injectors are going bad. One of the first signs we see are excessive smoke/haze. You will notice your truck billowing out a little more smoke than usual or hazing at idle. Another issue you may notice is high EGTs.
Which is better LBZ or lly?
there are no difference from the lly to lbz engine wise and transmission wise its exactly the same, the ecm has the tune of a 05 lly with 310hp and not the lbz which is 350hp throw a tuner on there and its not gonna matter.
What happens if voltage is too low?
If the voltage is too low, the amperage increases, which may result in the components melting down or causing the appliance to malfunction.
How often do Duramax injectors go bad?
However, early Duramaxes aren’t problem free. The biggest issue with ’01-to-’04 and 1/2 LB7 engines is their fuel injectors’ propensity to fail, typically before an engine reaches 100,000 miles.
How can you tell if injectors are going bad on a Duramax?
Symptoms of Failing Duramax Fuel Injectors
- Excessive Smoke.
- Power Loss.
- Rough Idle.
- Fuel in Oil.
- High Return Fuel.
- No Start.
What is the best year Duramax made?
The best Duramax diesel engine year models that are safe to buy include:
- 2010 – 2017 Duramax LGH.
- 2011 – 2016 Duramax LML.
- 2011 – 2021 Duramax XLD25.
- 2012 – 2021 Duramax XLD28.
- 2014 – 2021 Duramax LWN.
- 2017 – 2021 Duramax L5P.
- 2019 – 2021 Duramax LM2.