how to repair a no ho2 s switching detected on 1988 ford ranger 2.9 liter v6


Asked by Jan 19, 2014 at 09:22 PM about the 1988 Ford Ranger XLT Standard Cab LB

Question type: Maintenance & Repair

8 Answers


What are the codes you get when testing?


code 41


Vacuum leaks at the engine or an exhaust leak in front of the o2 sensor will cause this code. The o2 sensor is doing it's job but is telling the ecm to add more fuel due to the leak. Find the leak and the light should go off.

Best Answer

thanks for the helpful tip


No problem. I have owned fords for years.


have had this one for 9 years i love it but just now starting to give me problems


This is minor.


i know but i just had the 5 speed trans rebuit new alt new clutch cylinder but i dont mind the truck is 25 years old i thats get the begining

Your Answer

Add photo

Related Questions

  • Automatic transmission 1988 Ranger 3 answers

    I have 1988 FORD Ranger XLT with the 2.9 V6 engine, automatic 4 speed overdrive A4LD transmission. The truck does not pull after you put it in Drive, Overdrive or any other gear. On older vehicles y...

    1988 Ford Ranger XLT Standard Cab LB


    Maintenance & Repair

  • 1988 Ford Ranger "On & Off" clutch problem ? 3 answers

    Hello, One of my 88 Ford Rangers has a 2.9 V6 w/5 speed Mit. transmission. Several years ago we put in a new clutch, pressure plate, throw out bering and clutch slave. Within the past several weeks ha...

    1988 Ford Ranger


    Maintenance & Repair

  • where is the oil pump and pickup screen located on a 1991 v6 2.9 ford ranger? 10 answers

    Ok sometimes my oil pressure gauge drop to zero but it seems only when it is in 4 wheel drive 4 high,but pop back up to normal quick,and do not hear a rattling or noises,sometimes it stalls out,could ...

    1987 Ford Ranger XLT Extended Cab 4WD SB


    Maintenance & Repair

  • What is the firing order? 1 answer

    I need to know the number for each cyclinder its a 2.9 V6 1989

    1989 Ford Ranger


    Maintenance & Repair

  • Ford Ranger 3 answers

    I have a 88 Ford Ranger that has a 2.0 in it and wanting to swap with a 2.9 out of a 89 Ford Ranger will it bolt right up or do I need to swap trany too?

    1988 Ford Ranger GT Standard Cab LB




Looking for a Used Ranger in your area?

CarGurus has 7,819 nationwide Ranger listings starting at $988.


Search Ford Ranger Questions

Ford Ranger Experts

#1 FordNut
Reputation 1,330
#2 tennisshoes
Reputation 940
#3 Tracy Hooks
Tracy Hooks
Reputation 670
View All

Related Models For Sale

Used Ford F-150"
3,238 Great Deals out of 216,707 listings starting at $1,000
Used Chevrolet S-10"
9 Great Deals out of 1,813 listings starting at $1,749
Used Dodge Dakota"
159 Great Deals out of 4,812 listings starting at $900
Used Jeep Wrangler"
448 Great Deals out of 16,357 listings starting at $2,395
Used Ford Mustang"
744 Great Deals out of 41,449 listings starting at $900
Used GMC Sierra 1500"
1,054 Great Deals out of 56,401 listings starting at $2,400

Used Cars For Sale

2011 Ford Ranger For Sale
80 Great Deals out of 1,446 listings starting at $4,500
2010 Ford Ranger For Sale
31 Great Deals out of 584 listings starting at $4,495
2009 Ford Ranger For Sale
25 Great Deals out of 479 listings starting at $3,495
2008 Ford Ranger For Sale
26 Great Deals out of 599 listings starting at $2,899
2007 Ford Ranger For Sale
17 Great Deals out of 412 listings starting at $3,298