Clicking Under Heavy Acceleration?

[madchassey]

Yes

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[airline tech]

its really hard to tell as it can barely heard on the video:

Did the (KOEO) test provide any noise? mainly the pedal
Some marginal axial play is normal for the Wastegate Rod but not excessive.

The gas pedal has a internal return spring and with the video posted and the sound of the (Tick)
that's what I am hearing - possible spring tension against plastic sound.

Another thing to try is to get into a parking lot, and do very sharp turns, as the ticking sound also reminds me of a bad CV Joint.
plus
Try: Placing (In Drive) and holding the brake - give it gas to place the engine under a load

Will, either replicate the noise you hear at full throttle (Under Load)?

 

[airline tech]

I do have another (just out of curiosity) thing to try as I am hearing something that sounds like plastic (clicking)

Select the Climate Control (Off) and also try system on but (AC-Off) and then note if the same noise exists.

It may be possible that you are hearing the Temp Actuators clicking @ WOT the AC Compressor Clutch disengages and you may be hearing a feedback reaction from it

This would explain (As I understand) the noise only exists when the pedal is @ WOT and is not present when gradually accelerating.

Another thought is that the sound is actually the AC Clutch rapidly cycling off and on, a possible slightly undercharged system may produce that.

Just a Theory.

 

[Bertie321]

I think I got a pretty good recording of the noise I have.
Is it the rev limiter kicking in?
Ranger is garbage so disappointed in this truck

2 years to fix the EGR issue and now this

 

[airline tech]

I do not hear a Rev Limiter -That would be a (Pulsing Rev), normally anyways I am not sure for Drive By Wire systems.
The engine itself does not miss a beat and continues to climb in RPM, so with that I will say its not the Rev Limiting feature.

I possibly hear the following:

Voltage (instability) across a module at that point as there is a small audible (Click) at the very beginning,
a. Possibly the DC/DC Convertor also known as the Voltage Quality Module
b. Possibly the Accelerator Pedal, I think with the noise - you would feel a vibration in the pedal
So a position/feedback issue, this may be a type of Rev Limit

Mechanical Possibilities:

a. With engine under full load - engine rocking sideways just enough to stress the exhaust system
and cause one of the heat shields to pick up the vibration - sound enhances under the floor into the cab.

b. High and Fast flow of coolant through the Heater Core and creating a turbulence in the heater core.

c, Freon flow disruption through the Evaporator as the AC Comp Clutch disables at WOT, should be able to eliminate by disabling the climate control (For Test Elimination)

d. Fuel Flow - Disruption - in the fuel line between the tank and the HPFP, the fuel line runs along the frame rail. With no engine running issues, this would be last on my list of possible causes.

By the sound - I am leaning more on (Mechanical - A or B)

 

[Bertie321]

I do have another (just out of curiosity) thing to try as I am hearing something that sounds like plastic (clicking)

Select the Climate Control (Off) and also try system on but (AC-Off) and then note if the same noise exists.

It may be possible that you are hearing the Temp Actuators clicking @ WOT the AC Compressor Clutch disengages and you may be hearing a feedback reaction from it

This would explain (As I understand) the noise only exists when the pedal is @ WOT and is not present when gradually accelerating.

Another thought is that the sound is actually the AC Clutch rapidly cycling off and on, a possible slightly undercharged system may produce that.

Just a Theory.

Where are you coming up with this nonsense

 

[Bertie321]

The noise is pretty loud at the turbo the linkage arm on the turbo does rattle with the engine off but does the same with the engine on I grabbed that linkage while running and the noise stayed the same. Seems to be fairly loud at the housing where the transmission connects to the engine on the bottom side. The clicking sound just seems to be echoing all throughout the engine compartment. I apologize for the nonsense comment. I understand it's hard to diagnose off of sound clip.

 

[airline tech]

Where are you coming up with this nonsense

D&O of the AC System


A/C Request

When an A/C request is received by the PCM , the A/C clutch relay is engaged when all of the following conditions are met:

• Excessively high or low refrigerant pressure from the A/C pressure transducer is not detected.
• Ambient air temperature is above approximately 32.0°F (°C).
• Evaporator temperature is above approximately 33.8°F (1°C).
• Engine coolant temperature conditions are within normal parameters.
• Wide Open Throttle (WOT) condition is not present.
• Engine torque conditions are within normal parameters.
• Battery state of charge conditions are within normal parameters.

So using the operating theory of the system if the AC Clutch is engaged @ WOT what do you think the AC Clutch is going to do - (Disengage)

You provided a sample video (short) and I am only offering possible sources of the sound you are hearing.
That's all, if you do not want my help - that's fine with me and I will bow out of this thread.

T-Shooting sounds like this sometimes takes outside the box thinking about (ALL) things that are happening at the time. I have provided my back up documentation above.

 

[Bertie321]

Again I apologize. I appreciate the feedback

 

[airline tech]

Again I apologize. I appreciate the feedback

Noted: and Accepted

 

[airline tech]

You should listen to this posters noise sample and compare to your noise.

Do you hear the similarities in the sound, not as drastic as his but just may be the actual source of the noise you are hearing as it is a intense sound that you would hear in the cab.

If this is true, then it would be either the Wastegate Actuator play or the By-Pass Valve in the sound clip.

Engine rattle/tick plus other noise | 2019+ Ford Ranger and Raptor Forum (5th Generation) - Ranger5G.com

 

[Stevedbvik1]

I do not hear a Rev Limiter -That would be a (Pulsing Rev), normally anyways I am not sure for Drive By Wire systems.
The engine itself does not miss a beat and continues to climb in RPM, so with that I will say its not the Rev Limiting feature.

I possibly hear the following:

Voltage (instability) across a module at that point as there is a small audible (Click) at the very beginning,
a. Possibly the DC/DC Convertor also known as the Voltage Quality Module
b. Possibly the Accelerator Pedal, I think with the noise - you would feel a vibration in the pedal
So a position/feedback issue, this may be a type of Rev Limit

Mechanical Possibilities:

a. With engine under full load - engine rocking sideways just enough to stress the exhaust system
and cause one of the heat shields to pick up the vibration - sound enhances under the floor into the cab.

b. High and Fast flow of coolant through the Heater Core and creating a turbulence in the heater core.

c, Freon flow disruption through the Evaporator as the AC Comp Clutch disables at WOT, should be able to eliminate by disabling the climate control (For Test Elimination)

d. Fuel Flow - Disruption - in the fuel line between the tank and the HPFP, the fuel line runs along the frame rail. With no engine running issues, this would be last on my list of possible causes.

By the sound - I am leaning more on (Mechanical - A or B)

Is it me or does the check engine light flash at the exact same time as the noise ?

 

[airline tech]

Is it me or does the check engine light flash at the exact same time as the noise ?

You know - I MISSED that, well that eliminates most of my original theories, but with that along with the By-Pass Valve sound being posted , this only points to either it or the turbo wastegate.

When I was playing his second video sound clip I was not seeing any video only sound, now if I play it - I see video plus sound.

 

[rang19ca]

@airline tech We appreciate you posting with great information for all of us. Please keep on doing so.

 

[RangerBill]

I think I got a pretty good recording of the noise I have.
Is it the rev limiter kicking in?
Ranger is garbage so disappointed in this truck

2 years to fix the EGR issue and now this

Have you checked for DTCs? A flashing check engine light usually means a severe misfire.

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