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Prev Professional Automotive Repair Technical Discussions for December 16, 2013
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2002 Acura MDX Touring 3.5L heater VIN: 2HNYD18652
So now I have it back in my shop this year again w/ no heat or lukewarm heat. Water temp at radiator is around 200 degrees. Htr core inlet temp is around 170 degrees, htr core outlet temp is 140 degrees. Hot water vlv is operating correctly and the blend air d...
2009 BMW 335i xDrive 3.0L Lighting VIN: WBAPL33579
We can't seem to get rid of the bulb out indication in the instrument cluster. There is a bulletin for this indicator being on and even includes the codes of A8A8, A8A9 that we have but we did the full reprogram with no change. The instrument cluster reads 380...
2006 Cadillac CTS 3.6L Misfire VIN: 1G6DP57756
I am not familiar with this engine. Live data on scan tool shows miss's in cylinders #1 & #2 but primarily in #1. History shows miss in cylinders #1, #2, #3 & #4. Miss seems to be constant both at idle and while driving. Oil is about a quart high & dark. Coola... Trouble codes: P0300 (Misfire detected), P0301 (Misfire detected cyl 1), P0302 (Misfire detected cyl 2), P0128 (Coolant Temp below thermostat regulating temp), P0303 (Misfire detected cyl 3), P0304 (Misfire detected cyl 4)
1994 Chevrolet Blazer 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNEK18K6R
truck came in in tow truck, from another shop, talked to customer and he stated took truck to chevy dealer, told him that need it to start with complete tune up, customer declined because dealer will not promise that tune up will take care of problem, i notice... Trouble codes: 33 (map sensor vaccum too high), 44 (lean)
2005 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Misfire VIN: 2GCEC19T65
Truck came in with a rough idle complaint, CEL on. Started after setting in about 20-30 degree weather for 2 days and has been present since that time. Checked codes and data, had P0300. Checked miss history, had misfire counts on cyls 1,3,5&7, cyl 1 had the h... Trouble codes: P0300
2004 Dodge Intrepid SE 2.7L timing VIN: 2B3HD46R54
The timing chain broke so I took the heads off and sent them off to re do the Valves,put everything back together,set the time in it and the compression is sucking inn instead of out. I took them off again and took them back to recheck and all the valves are s...
2006 Dodge Ram 1500 SLT 5.7L tach VIN: 3D7KR19D66
What should be an easy one for you Mopar afficienados. Got this '06 Ram 1500 pickup 5.7 that needs a cluster because the tach is inoperative. Did self test, everything works but the tach. Cluster data shows getting good rpm signal from pcm. Belongs to used car...
1996 Ford Ranger STX 4.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTCR15X7T
This truck has a misfire at idle and runs rough at idle. It is not noticeable under load or off idle. P0305 keeps setting consistently. P1405 DPFE, P1131 O2 bank1 sen.1, and P0500 set in history but have not yet returned since cleared. DPFE 1.13v at idle. I am... Trouble codes: P0305
2002 Ford Explorer Sport 4.0L Upper Oil Pan VIN: 1FMYU60EX2
Cannot find any repair instruction for Upper pan removal. There is also 2 larger bolt on front of the pan. Do they have any thing to do with the chain. I am looking for tips and suggestions. I found 1 place that engine removal is required. this is a 2wd vehicl...
2002 Ford F-350 Super Duty Lariat 7.3L Poor Idle Quality VIN: 1FTWW32F42
Truck has no codes, it has a new black cam sensor,has 65psi low side fuel pressure, passes cylinder contribution test, multiple times, and oil aeration test. No change in idle with icp disconnected. Drives great no excessive smoking.getting ready to figure out...
2002 Ford E-150 Econoline 4.2L brakes VIN: 1FTRE14272
I tuned up this van,found worn plugs and aged wires.Also replaced fuel filter,wiper blades,power steering fluid,and. L.O.F. Replaced front brake pads,had rotors machined.Also replaced rear shoes and drums due to bad cracks(heat).I went for a test drive,good pe...
2002 Ford E-150 Econoline 4.2L brakes VIN: 1FTRE14272
I tuned up this van,found worn plugs and aged wires.Also replaced fuel filter,wiper blades,power steering fluid,and. L.O.F. Replaced front brake pads,had rotors machined.Also replaced rear shoes and drums due to bad cracks(heat).I went for a test drive,good pe...
2005 Ford Expedition Limited 5.4L Speed Sensor VIN: 1FMPU19565
Well I have another one that has me stumped again. This vehicle came in for a check engine light and ABS light on. Check engine was a simple tune-up no big deal there. ABS had a code C1235 RR Input signal missing. I installed a new sensor from Ford and still h...
2009 Ford Crown Victoria Police Interceptor 4.6L Stall VIN: 2FAHP71V89
Officer complained that car would stall when shifting gears stopped at idle. No codes, no data pointing to any issues. Checked the usual MAF and TB. MAF was clean and clear and read properly. TB was dirty, clean and reset KAM with IDS. Still stalled and stumbl...
1998 Honda Accord EX 3.0L Surge VIN: 1HGCG1653W
This vehicle has a continuious rolling idle (see related repair history) When the engine is started it revs at 1500rpm, stays constant for 30 seconds and then goes into a rolling idle (like its low on coolant). Cooling system has been repaired for freezing bec... Trouble codes: P0505 (Idle Control Circuit Failure)
2005 Honda Accord LX 2.4L Hi Idle VIN: 1HGCM56445
Since throttle body replacement the idle is too high. Tried to do relearn but does not change. Any ideas? Thank you.
2006 Honda Jazz/Fit 1.3L MIL Lamp on
Hi fellow techs, I have Honda Jazz/Fit in the shop that has MIL code P0172 fuel metering too rich. I looked at HDS all the data seemed normal except I suspected the MAP reading was kind of high at idle. It had reading between 31 to 33 kPa (conversion to Volt 1... Trouble codes: P0172 (Fuel metering too rich)
2008 Hyundai Accent GS 1.6L Stall VIN: KMHCM36C78
This vehicle will die when idling when the engine is cold and temperature is cold--(below freezing) Starts back up and idles again - may die again depending on how long it sits. after running and engine is up to temperature, will stall out driving down the roa...
2004 Jaguar XJ8 4.2L Heater
Vehicle had very little heat at idle. We replaced defective auxillary water pump (this is an electric pump that assists coolant flow through the heater core at low speeds). The pump now works, but when we select the different modes for the dash, we get 56 degr...
1994 Lexus LS400 4.0L Surge, Misfire VIN: JT8UF11E2R
Engine experience misfire and surging only when cruising at highway speed. Code 13 (cam sensor) was retrieved. Symptom never occur at low speed. Both cam sensors were replaced. New spark plugs, wires, dist. cap and rotors were also replaced. Has anyone ever ex... Trouble codes: 13 (Cam Position Sensor)
1999 Lexus RX300 3.0L MIL Lamp on
This is really two issues: Issue-01)Basically this vehicle throws a P1351 and starts acting funny. The customer states that they are worried that it will cut off. I have not been able to see the problem myself, as it is intermittent. Per Alldata the diagnosis ... Trouble codes: P1351 (Deviation in crankshaft position sensor signal and VVT sensor bank 2 signal 2-trip detection logic)
2008 Lexus RX350 3.5L No Start, MIL Lamp on, Power loss VIN: 2T2GK31UX8
Lost power while driving, MIL Came on; Crank but no start; Low coolant due to a leak at Water pump. The story: Teen age driver; Was driving at 45 MPH when MIL came on along with VSC OFF and Traction Icon lights; soon after that she felt no response while acce... Trouble codes: P0116 (Temp. sernsor circuit/range- Current), P0117 (Temp. sensor circuit low input- History), P0300 (Randum misfire)
1985 Mercedes-Benz 380SL 3.8L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall VIN: WDBBA45C1F
Hi all.This car was running good as far as cust knows.It was involved in an estate settelment and sat inside for 3 yrs.The fuel system was really nasty-we drained fuel tank and replaced fuel pump,accumulator,fuel pump relay.The car will eventually start cold b...
2006 Mercedes-Benz SLK350 3.5L R12/10 Front Side Air Bag VIN: WDBWK56F86
Hi, I have this 06 SLK 350 (171.456) this this reoccurring fault code 9243 for the passenger side air bag Squib to high. 6 Months ago had the same code, check harness and ohm specs of air bag and tested in specs at 2.1 ohms. This problem is intermittent but I ...
2008 Mercedes-Benz GL450 4.6L flywheel VIN: 4JGBF71E98
The Mercedes SUV was making so much noise when it pulled in the parking lot you could hear it over the shop noise,when we pulled the small cover for access to the flywheel you could see the flex plate would move front to back like it was loose at the crank.2 q...
2000 Nissan Maxima GLE 3.0L Stall, MIL Lamp on, No communication VIN: JN1CA31A6Y
Always seem to get these when it's real busy. Customer complains that car won't stay running at idle and bucks. Road tested and confirmed concern. Performed visual inspection and found intake hose broken at throttle body. Replaced hose and car is still stallin...
2007 Nissan Frontier SE 4.0L No Start VIN: 1N6AD09U67
This vehicle will not start when it is cold. I replaced the IPDM as suggested in several other posts but still have the same problem. If you hook booster cables or a battery charger to the vehicle, it bust right off. Battery is not low. Starter spins the heck ...
2000 Toyota 4Runner Limited 3.4L Accessories VIN: JT3HN87R4Y
Customer complaint of no beeper from keyless entry,tested old beeper ,no good replaced with new performed volume adjustment per tsb,can here beeper but it is real faint,can hear volume increase and decrease with volume adj but never gets loud like new.Thinking...
2004 Volkswagen Touareg V8 4.2L Mechanical VIN: WVGCM77L94
Installing a used motor.wondering what is the best procedure to remove the old motor.(drop engine and trans from the bottom)or (engine out the front).
1998 Volvo S70 2.4L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: YV1LS5579W
Vehicle came in with black smoke from tailpipe. Customer replaced front 02 sensor and no change. Scanner shows 25 plus Long trim all the time, short term always at 0 ?...?? Even after clearing code. Checked 02 sensor in front and indicates steady .7volts. Okay... Trouble codes: P0131, 212 (factory code circuit low voltage)
2005 Volvo S40 T5 2.5L Accessories VIN: YV1MH682X5
Just purchased this vehicle to didn't run so we didn't get everything checked out. Now that we are checking things we found that the CD changer says "unreadable disk" for every disk we put in it...also the seat heaters do not respond at all when yo...
2008 Volvo S60 2.5T 2.5L hard start VIN: YV1RS59238
Well I'm a gm tech working on a good customer Volvo s60 2.5t. keeps flagging code ecm-5000. I have replace the sensor & visually verified carrier ring on flywheel thru the sensor mounting hole. scope pattern looks good. not a lot of info for this problem that ... Trouble codes: 5000 (faulty rpm signal)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1993 Acura Legend L 3.2L Excessive Emissions VIN: JH4KA7663P
Thank you all for the input. The EGR system was not blocked every part of the system worked except the turn on signal from the computer. The position sensor read normal .5 at idle and when vacuum was applied engine would stall and position sensor would go smoo...
2001 Chevrolet Silverado 2500 HD 6.6L cruise control VIN: 1GCHK23181
Thanks for the replies-told cust the next time he tows trailer to leave harness unplugged to see if trailer is causing problem.Thanks again Mark
2005 Chevrolet Silverado 3500 6.0L Mechanical VIN: 1GBJC39U75
Yes, the fix is it. Thanks for everyone's input on this. Flushing the system fixed this problem. The p/s fluid appears found, but check with metallic, found some fine metals. Took a chance with flushing it prior to any parts replacement. TO my surprise it to...
2001 Dodge Ram 1500 Sport 5.9L MIL Lamp on
im sorry for not reporting the fix before it was a very simple mistake , i was setting the the pump upside down, hopefully i do not do it again but i learn from you guys a lot from this specific system, thank you very ,very much, you guys are good. Trouble codes: 1494 (nvld switch or mechanical problem).
2005 Dodge Sprinter 3500 2.7L insturment cluster VIN: WD1PD94405
customer sent it to the dealer and they said it was the abs module. I really don't think it was I think it was the steering angle sensor. thanks for the reply
1986 Ford F-150 5.0L Misfire
Hey, IATN is the greatest, Thanks to Al, Gene, Rob, David, both Bills and Scott. Firing order fixed it, engine must have been changed over the years. I know I will have a very happy and pleased customer. Thanks again for all input. Merry Christmas to all.
2002 Ford F-250 Super Duty Lariat 5.4L Stall VIN: 1FTNW21L82
After doing a voltage drop test at pcm I installed a used ford PCM and could then communicate with Pcm and had a check engine light that would come on in dash ordered and installed rebuilt Pcm towed to dealer and had reflashed and started up Thanks for your he... Trouble codes: U1262 (ignition key circuit error), U1952 (b1352-), B1352 (b1318-), B1318 (testing and results).
2006 GMC Sierra 2500 HD SLT 6.6L MIL Lamp on VIN: 1GTHK23D56
2002 Honda Accord SE 2.3L alternator VIN: 1HGCG56762
Hello all, would like to think everyone for there help on this one. The remans I was having an issue with were Remy's. After checking everything I could think of and that was suggested, I got a different brand alternator. Was wanting to get a Denso since that ...
2006 Honda Odyssey Touring 3.5L Misfire, MIL Lamp on VIN: 5FNRL38886
1998 Lexus ES300 3.0L MIL Lamp on VIN: JT8BF28G1W
Have not fixed this vehicle since customer has not returned either cause light hasn't returned or he took it somewhere else.I had tried switching o2 sensors around from bank one to bank two with no change.also tried another mass air'd pcv and hose-ok... Trouble codes: P0171.
2005 Mazda Tribute S 3.0L Cruise Control VIN: 4F2YZ04135
William from Connecticut nailed it. Replaced the speed control servo and the static self-test passes with no faults; cruise control works fine.
2000 Oldsmobile Bravada 4.3L fuel gauge.alt. light, temp gauge,security light VIN: 1GHDT13W0Y
The pcm was at fault bad internal contacts. thanks for all your help.
2001 Volkswagen Jetta Wolfsburg Edition 1.8L MIL Lamp on VIN: 3VWPD69M51
We can call this fixed. Thanks for the replies. The customer was not in a hurry, so we could approach it methodicaly. Here's what I found: Ulimately it was the rear O2 sensor (for the impatient). If you would like to learn more, read on. (This information appl... Trouble codes: P1176 (17584 Lambda correction behind catalyst limit reached).
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