Air Fuel Ratio Sensor Questions

1987 Nissan Sentra Electrical Problem with 80000 miles

'87 Sentra, with feedback carb, and duty cycle air/fuel mixture ratio solenoid inside carb. Finally got it running good, good power, good ...

Asked by fullmonte44 about 1 day ago - 2 Answers

2008 GMC Yukon Engine Problem with 54000 miles

My wife was driving back from her parents house this past mothers day when her check engine light came the car seemed to be running fine and...

Asked by fwade123 about 6 days ago - 1 Answer

1996 Toyota 4Runner Repair Problem with 300000 miles

Changed pre-cat o2 sensor and same codes come back even after clearing computer. cleaned maf, replaced fuel pump, and used fuel injector ...

Asked by marlonhrrll about 14 days ago - 1 Answer

1995 Lexus SC 400 Engine Problem with 195000 miles

I have a 1995 sc400 with a bad hesitation, has two codes, 52 and 55 both knock sensors, The car hesitates between 1500 and 2600 rpms after ...

Asked by oldsc400 about 20 days ago - 6 Answers

1995 Ford Windstar Engine Problem with 210000 miles

25# fuel press. Changed pump filter & strainer. before putting tank back up tried with tank on grnd. statted and ran fine s(7 or 8 times...

Asked by brucej455 about 1 month ago - 1 Answer

2006 Pontiac GTO Electrical Problem with 38000 miles

My rear O2 sensors have been putting out low voltage for months which made the computer think that it was running lean, when in fact it was ...

Asked by (pending member) about 1 month ago - 1 Answer

2006 Honda Accord Engine Problem with 177890 miles

Hi. i have the code po172. when i check the fuel pressure. is a 63 psi all the time its the same pressure

Asked by (pending member) about 1 month ago - 1 Answer

2009 Chevrolet Silverado Engine Problem with 53000 miles

I just recently had exhuast put on my truck and I put a cold air itake on. Since it has beEn reving up to about 2,000 rpm on start up and ...

Asked by hoyt about 1 month ago - 1 Answer

2001 Toyota Sienna Engine Problem with 80000 miles

My Toyota Sienna 2001 check engine light went off on code p1135, i changed the o2 oxygen sensor (upstream and downstream) and cleared the ...

Asked by (pending member) about 1 month ago - 2 Answers

2001 Toyota Rav4 Engine Problem with 190000 miles

Engine light is reads p0446 would it be worth getting fix

Asked by (pending member) about 1 month ago - 1 Answer

2009 Chevrolet Silverado Engine Problem with 12000 miles

Check engine light came on, and it runs rough. Bogs down on acceleration. Code scanner shows PO171, P1174 and P1175. Could dirty fuel be ...

Asked by (pending member) about 1 month ago - 2 Answers

1989 Mercedes Benz 300e Engine Problem with 16000 miles

I've had my Benz for 3 weeks now. First it had a slow start and sometimes I had to jump it off. Last week I took it to a Benz Mechanic. ...

Asked by Will4406 about 2 months ago - 1 Answer

2005 Mazda 3 Electrical Problem with 130000 miles

Hi, My vehicle(Mazda 3)'s engine light came on and i plugged in the OBD adapter to check and i got the messages below using an ...

Asked by Tumiza about 2 months ago - 3 Answers

2000 Hyundai Accent Noise Problem with 106000 miles

I have a 2000 Hyundai Accent ... front end shakes, squeals in cold weather and squeals when a/c is on. i went over a bump on the highway ...

Asked by wilfredoturner about 2 months ago - 3 Answers

2002 Toyota Camry Engine Problem with 154000 miles

2002 Toyota Camry Code: P1135 Started to eat more and more gas..,plus engine started to idle rough as well.Please help!!!!

Asked by (pending member) about 2 months ago - 1 Answer

2002 Infiniti I35 Electrical Problem with 205999 miles

Lost power and all cel light and dash lights came on. the computer said it was O2 1 and Speed sense. We replaced those parts and drove for 2...

Asked by anthonyfasano about 2 months ago - 5 Answers

2000 Lexus RX 300 with 12054 miles

I have 2000 lexus it have coders one is P1349 intake camshaft position c m p system where is the camshaft sensor location i replace ...

Asked by foguie mckinnie about 2 months ago - 1 Answer

1993 Jeep Cherokee Engine Problem with 251977 miles

Engine code 51

Asked by haroldkidder about 3 months ago - 1 Answer

1997 Toyota Avalon Repair Problem with 84000 miles

This Avalon has a PO125 error and I have done every basic suggested fix but it still is registering. Replaced coolant Bled Coolant ...

Asked by (pending member) about 3 months ago - 5 Answers

2002 Toyota Camry Electrical Problem with 24100 miles

Car sometimes stumbles like its starving for fuel,now it just dies going down the road,dash lights come on like it died.put it in nuetral ...

Asked by Bamaj about 3 months ago - 1 Answer

1998 Chevrolet Blazer with 200000 miles

The computer on this Blazer shows 2 codes, p301 and p0131, what are they?

Asked by (pending member) about 3 months ago - 1 Answer

2008 Mitsubishi Outlander Electrical Problem with 50000 miles

OBD-2 code P 2195 ceck engine lite is on . what does the code mean

Asked by (pending member) about 3 months ago - 1 Answer

2011 Chevrolet Traverse Engine Problem with 26000 miles

How do i fix a code po050 and po2097 l changed the o2sensor and the light came back on after one day

Asked by (pending member) about 4 months ago - 1 Answer

2000 Hyundai Elantra Engine Problem with 87572 miles

My vehicle has two codes p0131, and p0135 i have replaced the o2sensor 4 times and still on is there anything else i can do, also where is ...

Asked by (pending member) about 4 months ago - 2 Answers

2003 Lexus GX 470 with 114504 miles

I have lexus gx 470 2003 model my check engine light came on with vsc , vsc trac came on to i used the scan tools to clear the fault i have...

Asked by mohmed about 5 months ago - 7 Answers

2006 Nissan Titan Engine Problem with 114236 miles

My Airbag light and check engine light recently came on in my truck. I took it to be diagnostic and 2 codes came up. P0240 (Threshold Bank1...

Asked by tiajohnson about 5 months ago - 4 Answers

2007 Toyota Camry with 10000 miles

Check engine light is on I have a code of P0172

Asked by (pending member) about 5 months ago - 1 Answer

1997 Toyota Camry Engine Problem with 13061 miles

My 1997 toyota camry check engine light came on, I took it in to Firestone auto place and they came up with some codes PO171 System TOO ...

Asked by yvonnelw about 5 months ago - 2 Answers

2002 Toyota Tacoma Repair Problem with 144000 miles

I've a check engine light with code po440 EVAP. I've done smoke tests and no leaks in the lines, replaced fuel filler assembly, charcoal ...

Asked by fincladvis about 5 months ago - 2 Answers

2006 Chevrolet Cobalt with 70000 miles

I have a 2.4L Cobalt I am getting a DTC P1174 Fuel trim adaptation inactive bank 1 malfunction.. What do I need to look at...

Asked by (pending member) about 6 months ago - 1 Answer

2009 Hyundai Accent with 40500 miles

Manufacturers warn not to mistake an air / fuel ratio sensor for an oxygen sensor. Is the 2009 GLS Hyundai Accent fitted with air / fuel ...

Asked by (pending member) about 6 months ago - 0 Answers

2006 Kia Spectra Engine Problem with 120000 miles

Codesp0171andp2626how to diagnos the the problem?

Asked by (pending member) about 6 months ago - 1 Answer

1999 Buick Lesabre with 228000 miles

Car misfring and smells of gas

Asked by (pending member) about 6 months ago - 1 Answer

1986 Porsche 944 Engine Problem with 50000 miles

I have a problem starting my 944 porsche (1986) in the colder weather. I live in Wisconsin so the winter temps range from below 0 up to the ...

Asked by maverickwilhite about 6 months ago - 3 Answers

2000 Dodge Neon Engine Problem

What would make a car act like its not getting thr right gas air flow ratio. Ive changed the throttle sensor 2x, the map sensor, the plugs, ...

Asked by (pending member) about 7 months ago - 1 Answer

1999 Mercury Cougar problem with 155000 miles

1999 mercury cougar when trying to start acts like its only firing on two cylinders. After it starts eventually it idles really really rough...

Asked by Berreric about 7 months ago - 6 Answers

2000 Audi A4 problem with 119000 miles

I would like to add a cold air intake its a 2.8 quattro but i'm not sure if it will require changing or resetting the computer because of ...

Asked by bradmusser about 7 months ago - 1 Answer

2001 Nissan Altima Electrical Problem with 150000 miles

I unplug the spark plug wire and the spark plug to see if there a fire started when i turn on the engine but can't see the plug fire if ...

Asked by junior64 about 8 months ago - 2 Answers

1996 Dodge Ram Engine Problem

1996 dodge ram 1500, 5.2l V8, Automatic trans. I sent my truck in to a national chain for an oil change. A few days, and a few hundred ...

Asked by markjohnson1 about 9 months ago - 2 Answers

1994 Ford F-150 Electrical Problem with 114000 miles

The truck will start up fine runn for a couple of seconds then die. Replaced mass air flow sensor and it did not fix. if you unplug the maf ...

Asked by thunderracing07 about 10 months ago - 3 Answers

2000 Toyota Sienna Engine Problem with 177000 miles

I have Toyota Sienna 2000, V6-2995 3.0 L. Got scanned and diagonosed check enging light. The service center gave report "code p0171 bank 1 ...

Asked by polestar74 about 1 year ago - 1 Answer

1995 Dodge Stratus Engine Problem with 200000 miles

The car has started giving a "Code 51"...Oxygen Sensor signal input indicates lean fuel/air ratio conditioned during engine operation. ...

Asked by buddhaluv79 about 1 year ago - 1 Answer

1994 Toyota Pickup problem with 238000 miles

Check the obd port an got code 25

Asked by buffyboy about 1 year ago - 1 Answer

1991 Toyota Corolla Engine Problem

Gentleman called me asked if i could scan his car the check engine light came on saterday, i said i could scanner would not show any codes ...

Asked by ctmc72 about 1 year ago - 5 Answers

1998 Mercury Sable Heater Problem with 120000 miles

The car puts out moderate but not hot heat only when you are driving, the faster you drive the hotter the heat but no heat when idling or ...

Asked by brandi fabiano about 1 year ago - 1 Answer

2007 SAAB 9-5 Engine Problem with 50000 miles

I removed the air box and ran a cold air intake and the check engine light came on, by the way I also have a ECU chip installed wired into ...

Asked by 07SAABstory about 1 year ago - 4 Answers

2003 Ford Escape Engine Problem with 142000 miles

Received code 1130 from mechanic. Came up catalytic exhaust performing below threshold. Saying bank 2 sensor bad. Where is this and does ...

Asked by bingoprincess about 1 year ago - 1 Answer

2003 Ford F-150 Electrical Problem with 106000 miles

I took it to O'Reilly's and they said something about fuel mixture too rich. Ford said it was the "heated oxygen sensor". Said they had ...

Asked by tgumbyw about 1 year ago - 12 Answers

1985 Nissan Truck Engine Problem with 170000 miles

Ok, so here is the situation. 11/1985 Nissan 720 Pickup, Z24 Carbureted engine, Five Speed Manual Trans, 4 Wheel Drive with federal ...

Asked by idahogearheads about 1 year ago - 7 Answers

2003 Mercedes Benz C240 Engine Problem with 80000 miles

Idle speed cannot control rpm is 10000 when i start

Asked by amarsandhu about 1 year ago - 5 Answers

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