Shudder at Speed/Infotainment Dead

[Bertie321]

Well guys and gals You won't believe this one The noise I've been hearing at wide open throttle appeared to be the spark plugs just zapping away. I replaced the Spark plugs And I replaced the rear O2 sensor And the problem is fixed. Whether it was replacement of both or one or the other I have no idea but the truck drives amazing. Of course like a lot of Ranger parts I was unable to find the forward O2 sensor at the dealership/ auto parts store as I wanted to replace them as a pair so I have to wait a few days for one to come in.

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[airline tech]

Awesome and Good Fix, but I would say the noise was the By-Pass valve, not that is was faulting but a secondary reaction of the pressure imbalance caused by the improper fuel burn, so you were actually getting an ignition misfire.

 

[Bertie321]

So I see your username is Airline Tech I'm assuming you are an A&P I also an A&P 20 years and past 5 years in space industry anyways the sound that it was kind of making sounded like a stick Shaker on an aircraft yoke when you're stalling. Whatever the hell it is I'm glad It's fixed.
I was loosing faith in this truck.
Until the next venture arising!!
Thnx everyone

 

[RangerBill]

Well guys and gals You won't believe this one The noise I've been hearing at wide open throttle appeared to be the spark plugs just zapping away. I replaced the Spark plugs And I replaced the rear O2 sensor And the problem is fixed. Whether it was replacement of both or one or the other I have no idea but the truck drives amazing. Of course like a lot of Ranger parts I was unable to find the forward O2 sensor at the dealership/ auto parts store as I wanted to replace them as a pair so I have to wait a few days for one to come in.

What was the reason for the O2 sensor replacement?

 

[airline tech]

So I see your username is Airline Tech I'm assuming you are an A&P I also an A&P 20 years and past 5 years in space industry anyways the sound that it was kind of making sounded like a stick Shaker on an aircraft yoke when you're stalling. Whatever the hell it is I'm glad It's fixed.
I was loosing faith in this truck.
Until the next venture arising!!
Thnx everyone

Yes - 31 Years here, made many moves with this career chasing the money and 2 layoffs (9-11)
Spent time overseas (contract -consultant) with Airbus as well. Love It.
Worked in automotive prior to this, walked away in 1994, So all the new age must have a scan tool for codes etc was after I left the field.
And the sound was missing - Bitc.... Betty (Stall-Stall-Stall)

 

[Bertie321]

Miles on the truck!
170k
And after the EGR Fiasco A co-worker who used to be an auto mechanic told me 70-80% of issues with newer cars these days is due to emissions. After three differential pressure switches since I've owned the truck and talking to him, he's the one who said replace it all so I went with the EGR tube and sensor. I just thought it's time to replace them the (O2 sensors)

 

[Cabose-1]

The water gets in through the "cowl"??? Of the hood???
Do not know thw part name but were the hood closes by the windshield. When ir rains carwash whatever the rain drips on top of the engine. Of course with no drainage system it collects in the spark plug wells. Lots of fixes for it here on this forum. Or get the infamous engine cover. A noodle or radiator hose slipped on provides an engine gutter system that helps to deter water too. Used to see this issue with lots of explorers and 5 cyl colorados. Its annoying and can be expensive as coils and spark plugs are not cheap. And without compressed air, hard to get the water out

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