1996 V8 P0175 code | Ford Thunderbird forum club group 1955-2005 models
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1996 V8 P0175 code

  • Thread starter Thread starter defbird96
  • Start date Start date
defbird96
Reaction score
6
Thunderbird Year
1996
Hi all. Bird is in the shop this morning to replace both oxygen sensors after scan tool produced P0175 code. I’m hoping this solves the issue where the idle drops after full warmup from cold start, and the engine stalls. I previously replaced the MAF and Idle Air Control Valve, which in retrospect, were probably okay. I don’t have access to a lift, and as a senior, didn’t want to try the oxygen sensor replacements with car just on a ramp. Plus I know it takes some time to get the original ones out w/o breaking or stripping threads. Has anyone else solved the stalling issue on a 4.6 V8 by oxygen sensor replacement?

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The P0172 & P0175 code is often from the Oxygen Sensor.
 
After another $500 “repair” bill, still no fix. At idle, engine is at about 750 rpm. Shift into Drive or Reverse, rpm drops, engine stalls. Dealer mechanic is at a loss trying to determine the cause.
 
Update: After trying two different MAF sensors (Walker and Dorman…Ford no longer makes an OEM part) and spending roughly $1100 at dealer and independent mechanics, on a hunch, I bought a MAF from RockAuto, and ‘Bird is back to normal, running great. No trouble codes. No stalling. Idles properly under load. Amazes me that out of 3 MAF sensors that look identical, only ONE solved the problem. Maybe a mechanic can explain. What was the problem with the first two? I’ve taken the car on a couple of 1 hour drives to make sure the CEL would not activate, and all seems fine.
 
This is all a big guess on my part but here goes, it is possible from what you said that there is another issue involved, maybe all 3 maf's were good and some other come and go issue is causing a problem and it randomly went away after you put in the 3rd maf, making you think the 3rd maf fixed it, we'll know if your issue comes back randomly, time will tell on that............I don't bet my money on believable code's after my failing oem pcm started giving codes that did'nt even exist, that all went away for me when I swapped out the pcm and no more weird codes, I just wanted to get that in there as far as codes go, their only as good as the condition of the code-giver, the pcm.........
I'll just throw this in and only you know what you've done on your Bird but if you have 2 good working crank/cam sensors, a good working icm, a good working pcm, a good working iac, a good working maf and a some good working o2's after they are warmed up, unless I forgot something, she should run like a top..................
 
With most of these new sensors being made in China, there's a lot of instances where the new parts are out of spec. Very low quality control. I went through 3 bad egr valves on my truck that I got from AutoZone. 2 of the three lasted only a day, the third about a week. This current one has been in for about 2 years so far...
 
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