Home
Api
Website Categories
Contact

Gmc code po420

P0420 DTC Code - Catalyst System Efficiency Below Threshold (Bank 1)

... light just came on and I checked it with a scanner and the po420 code came ... Checked my 2004 Buick Rainier with a DTC Code Reader and got back PO106 and PO128, what do ...

p0420.com
640 X 480 300 X 250 200 X 150 150 X 100

EXPLAINING TROUBLE CODES PO420 - PO421- PO430 - PO431

WHAT IT MEANS WHEN YOUR GET A CODE READ OF PO420 OR PO430 . It is important to remember that if your quot;Check Engine Light quot; illuminates and someone just simply reads a ...

discountconverter.com
640 X 480 300 X 250 200 X 150 150 X 100

What to check code PO420 says catalyst efficiency below threshold ...

Answer The PCM copares switch rates between the front O2 sensors and the downstream catalyst moniters. The catylist moniters are often mistaken as O2 sensors, and ...

wiki.answers.com
640 X 480 300 X 250 200 X 150 150 X 100

Po420 twc system low bank 1 code - FixYa - Product Problem Support ...

po420 twc system low bank 1 code ... Problem with 1999 GMC Yukon. po420 twc system low bank 1 code

fixya.com
640 X 480 300 X 250 200 X 150 150 X 100

code po420 - GM Forum - Buick, Cadillac, Chev, Olds, GMC amp; Pontiac ...

2000-2005 ... I have a code po420 on my 01 bonneville,check eng light came on,seems to be low on ... Check this out. It will help you figure out where you need to ...

gmforum.com
640 X 480 300 X 250 200 X 150 150 X 100

that dang P0420 code! - Buick Forums

that dang P0420 code! Buick LeSabre Forum ... Did they ever tell you what the po420 code means?

buickforums.com
640 X 480 300 X 250 200 X 150 150 X 100

2001 buick regal v6 ls po420 code Regal - Car Questions, Answers ...

within the last 6 months the cat. converter went out on my buick, I got it replaced due to a recall a couple of months later the check engine light came on, I went ...

automotivehelper.com
640 X 480 300 X 250 200 X 150 150 X 100

1996 Buick Regal: P0420 Catalyst System Efficiency below Limit ...

I have a 1996 Buick Regal Custom, 3.8 L V6, and I recently started having bad ... A quot;Code PO420 quot; if not addressed, can lead to other faulty codes, costing you more ...

answers.yahoo.com
640 X 480 300 X 250 200 X 150 150 X 100

GMC Diagnostic Trouble Code (DTC) P0420 Related TSBs

GMC Diagnostic Trouble Code (DTC) P0420 Related TSBs ... The following TSBs of GMC are related to DTC P0420. 1998 GMC Sonoma Engine TSB Details

aboutautomobile.com
640 X 480 300 X 250 200 X 150 150 X 100

Trouble code po420 in my 2000 sierra - FixYa

trouble code po420 in my 2000 sierra ... Problem with 2000 GMC Sierra. trouble code po420 in my 2000 sierra

fixya.com
640 X 480 300 X 250 200 X 150 150 X 100

P0420 Error Code: Catalyst System Efficiency Below Threshold (Bank 1)

I just replaced my radiator. now my check engine code came on with the po420 code. now when i replaced the radiator i had to take my breather box apart and out, i hooked ...

obd-codes.com
640 X 480 300 X 250 200 X 150 150 X 100

Explaining Trouble Codes PO420 - PO421- PO430 - PO431

buick cadillac checker chevrolet chevrolet trucks chrysler daewoo ... what it means when your get a code read of po420 or po430 . it is important to remember that ...

converterwarehouse.com
640 X 480 300 X 250 200 X 150 150 X 100

Code P0420 - Buick Forums

Past Buick Vehicle Discussion gt; Buick LeSabre Forum ... I keep getting the check engine light randomly coming on. Everytime that I scan it ... I get the same code for ...

buickforums.com
640 X 480 300 X 250 200 X 150 150 X 100

Buick Regal 2001 buick regal p0420 code.What could cause - JustAnswer

Question - Buick Regal 2001 buick regal p0420 code.What could cause. Find the answer to this and other Buick questions on JustAnswer.

justanswer.com
640 X 480 300 X 250 200 X 150 150 X 100

po420 and po430 - The 1947 - Present Chevrolet amp; GMC Truck Message ...

Scott there is probably a list of PO codes already posted here somewhere. It might be helpful to make a sticky out of that. Just a suggestion.

67-72chevytrucks.com
640 X 480 300 X 250 200 X 150 150 X 100

GM Code PO420.....help - BAT Auto Technical-Professional mechanics ...

BAT Auto Technical gt; Open Discussions gt; Domestics gt; GM Code PO420.....help ... 1998 Chev Malibu; 2. 4 eng. New Cat Converter, 2 new O2 senors. Check engine ...

batauto.com
640 X 480 300 X 250 200 X 150 150 X 100

code po420 01 buick park ave, what should the readings be for ...

Question - code po420 01 buick park ave, what should the readings be for. Find the answer to this and other Buick questions on JustAnswer.

justanswer.com
640 X 480 300 X 250 200 X 150 150 X 100

GM Automotive Technicians Technical Discussion and Fixes for Apr ...

I have this little Buick here that came in with codes 321 and 361. I diagenosed as a bad ecm. ... up a cat and the o2's would be the same and it would have a code po420 ...

iatn.net
640 X 480 300 X 250 200 X 150 150 X 100

2001 buick regal v6 ls po420 code - Car Forums and Automotive Chat

within the last 6 months the cat. converter went out on my buick, I got it replaced due to a recall a couple of months later the check engine light came on, I went ...

automotiveforums.com
640 X 480 300 X 250 200 X 150 150 X 100

2002 Gmc Envoy Code Po420 | Auto Repair Manual Free Download and ...

download Vehicle Application: Customer Concern: Tests/Procedures: Potential Causes: Diagnostic Codes: 2002 Hyundai Sonata 2.4L, Vin S, Eng Cfg L4 Check engine light ...

autozmagz.com
640 X 480 300 X 250 200 X 150 150 X 100

code po420,new cat and o2 sensor

I have a 1998 Chevy Venture with a code po420 set. I have replaced both oxygen sensors and the catalytic converter. The code was cleared by the

carkb.com
640 X 480 300 X 250 200 X 150 150 X 100

P0420 code gmc jimmy - The Q amp;A wiki

This code is for the catalyst system efficiency is below threshold

wiki.answers.com
640 X 480 300 X 250 200 X 150 150 X 100

Check Engine light on - code PO420? - Yahoo! Answers

Best Answer: Check your EGR solenoid valve and your lines going to the canister and also the canister. I don't think the problem was ever in the cat or the ...

answers.yahoo.com
640 X 480 300 X 250 200 X 150 150 X 100

2002 Buick Ultra, 3.8 SuperCharged.How do I repair code P0420 ...

... po420 p0335 pontiac solenoid 3 control 4 kia p0320 com infiniti p0440 p0037 p1000 grand ... how do you repair code B1204 on a 1997 buick lesabre?

engine-codes.com
640 X 480 300 X 250 200 X 150 150 X 100

P0420 Code - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

OEM Issues ... Hi Guys: Got the P0420 code and it read 'Catalyst effiencency below threshold''Bank ... In my case it was a damaged (guts broken and mostly missing ...

forums.trailvoy.com
640 X 480 300 X 250 200 X 150 150 X 100

GM Automotive Technicians Technical Discussion and Fixes for Sep ...

HI I have this Buick that has come back the problem is driving down the road it ... hello, this vehicle came in with code po420, the first thing i did was raised vehilce ...

iatn.net
640 X 480 300 X 250 200 X 150 150 X 100

P0420 Catalyst System Low Efficiency - GM Forum - Buick, Cadillac ...

1992-1999 ... (PO420) has anybody had that code come up before? if so what did you do to fix it ... That's going to be either a rear O2 sensor failure (emissions only ...

gmforum.com
640 X 480 300 X 250 200 X 150 150 X 100

Pontiac Repair: p0420 code, p0420 code, threshold bank

... CAR MAINLY REVS WHILE IDLING LIKE YOU ARE TAPPING THE GAS PEDAL GIVING ME A CODE PO420. ... I work at a Buick and GMC truck store Previously I worked at a Pontiac GMC store ...

en.allexperts.com
640 X 480 300 X 250 200 X 150 150 X 100

2001 buick regal v6 ls po420 code - Page 2001 - Car Forums and ...

Please Register or Login to access: DriverSide Home | Service amp; Repair | Car Prices | Parts amp; Accessories | Reviews amp; Advice | My Garage

automotiveforums.com
640 X 480 300 X 250 200 X 150 150 X 100

Rank: P0420 buick - domains: obd-codes.com, p0420.com, wiki ...

P0420 DTC Code - Catalyst System Efficiency Below Threshold (Bank 1) A P0420 code is a trouble code on OBD-II equipped vehicles. All vehicles from 1996 2002 Buick ...

automotiveseoranking.com
640 X 480 300 X 250 200 X 150 150 X 100

PO420 CODE : RepairPal - Auto Repair and Maintenance Estimates ...

PO420 CODE AND ENGINE WILL NOT START ... Buick | Volvo | Audi Models: Honda Accord | Toyota Camry | Honda Civic | Acura TL | ...

repairpal.com
640 X 480 300 X 250 200 X 150 150 X 100

PO420 Code - 2005 Ford Expedition : RepairPal

HAVE CODE PO420 WITH CHECK ENGINE LIGHT REPLACED RIGHT BANK CAT AND HEATED OXYGEN ... Buick | Volvo | Audi Models: Honda Accord | Toyota Camry | Honda Civic | Acura TL | ...

repairpal.com
640 X 480 300 X 250 200 X 150 150 X 100

2002 buick century giving code P0420 Century - Car Questions ...

Car Forums 2002 buick century giving code P0420 Century ... 2002 buick century giving code P0420

automotivehelper.com
640 X 480 300 X 250 200 X 150 150 X 100

PO420 code and misfire - Honda-Tech

Throwing a code PO420-Cat efficiency below threshold. This Cat is original. ... 5-LUG SWAP, RSX WHEELS, EIBACH SPRINGS, SHAVED ANTENNA AND SIDE MOLDING 2000 GMC ...

honda-tech.com
640 X 480 300 X 250 200 X 150 150 X 100

PO 420 and PO 430 - Tahoe Forum - Chevy Tahoe Forum

Well these are the codes I got on my truck. I looked them up and it said... ... Buick Enclave Forum Cadillac Forum Cadillac XTS Forum: TRD ...

tahoeforum.com
640 X 480 300 X 250 200 X 150 150 X 100

1999 Gmc Yukon Problem Code P0420 Engine Mechanical V8 Two Wheel ...

Yukon code p0420. Engine Mechanical problem 1999 GMC Yukon V8 Two Wheel Drive Automatic 137987 miles what oxygen sensor is having the problem. Asked by barberman

2carpros.com
640 X 480 300 X 250 200 X 150 150 X 100

PO420 Code - Cadillac Owners and Enthusiasts Forum Homepage - Over ...

My service engine light contiues to come on giving me CODE PO420. Is this strictly a ... Read about Lincoln | Buick | Hyundai Genesis Forum | Kia Forte Forum

cadillacforums.com
640 X 480 300 X 250 200 X 150 150 X 100

2001 Gmc Sonoma Oxygen Sensor Problem P0420 2wd 2.2 Liter Code ...

i have a 2001 gmc sonoma 2wd 2.2 liter and have the P0420 code for catylyst efficiency low bank one.. i have a new cat and rear O2 sensor so what...

2carpros.com
640 X 480 300 X 250 200 X 150 150 X 100

Knock sensor and Catalyst below efficiency codes - Chevy Truck ...

... sensor and Catalyst below efficiency codes ... PO420 - Catalyst Below efficiency. Cleared the code, ran the truck down the highway for a ... 2003 GMC Sierra ECSB 4x4 | 2005 Suzuki ...

gmfullsize.com
640 X 480 300 X 250 200 X 150 150 X 100

HELP PO420 code - FullsizeChevy.com - Chevy Trucks

HELP PO420 code. This is a discussion on HELP PO420 code within the Technical / Maintenance ... 1997 GMC Sierra 4x4 4.3L 4L60E KOSS CD player,16mpg,3.73 gears z71 skid plates ...

fullsizechevy.com
640 X 480 300 X 250 200 X 150 150 X 100

I have a 2002 sienna PO420 front all news sensor back catalytic ...

2000 GMC Sierra 1500. Code P1154, replaced all 4 O2 sensors. Same code came back. ... my engine light cam eon with code po306 amp;po420 what should i do firest gt;?

engine-codes.com
640 X 480 300 X 250 200 X 150 150 X 100

What would happen if I ran my GMC Yukon without the catalytic ...

GMC Vehicles Currently In Production gt; GMC Yukon Forum ... I got a code PO420 and PO430 Bank 1 and bank 2 catalyst efficiency below threshold ... Quote: Originally ...

gmcowners.com
640 X 480 300 X 250 200 X 150 150 X 100

Rank: obd-codes.com - phrases: P0420 buick, 2002 mazda 626 trouble ...

The popular keywords by which the domain obd-codes ... subaru forester po420 #3: bank 1 o2 sensor location ... 96 gmc jimmy trouble codes #13: 2000 saturn obd ii

automotiveseoranking.com
640 X 480 300 X 250 200 X 150 150 X 100

Possible solution to CELs PO420/PO430 from high flow cats ...

Thanks to our friends that like to drive around in Imports, I found some info on a cheapo solution to the PO420/PO430 codes. You need to take a drive down to your local ...

dodgetalk.com
640 X 480 300 X 250 200 X 150 150 X 100

2000 GMC Safari Consumer Discussions - New Cars, Used Cars, Car ...

Read the 2000 GMC Safari Consumer Discussions on Edmunds.com ... Same problem on my 1998 GMC Safari in 2003. Engine 1870 code. I had the valve body in the ...

edmunds.com
640 X 480 300 X 250 200 X 150 150 X 100

Website Meta Keywords