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Prev Professional Automotive Repair Technical Discussions for October 31, 2009
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Cadillac Escalade 6.0L stability system
Hello everyone. So I have been banging my head on this Escalade and need help. Comes in with service stability system on. Pull dtcs- found code c0286 MPA switch circuit code. I did some basic power and ground checks- nothing found. I seen GM has an updated MPA...
2006 Chevrolet Aveo LS 1.6L MIL Lamp on, refueling problem VIN: KL1TD66656
Customer came in with vehicle with complaint of refuleing problem with vehicle, MIL has been on a year now, BUT this refueling issue has only been within the last month. He said he the light was on then he unplugged and reconnected the TPS and the light was ou... Trouble codes: P0446
2008 Chrysler Town & Country (Van) LX 3.3L no ignition switch power VIN: 2A8HR44H88
Hi Fellow Chrysler Techs, Vehicle was running fine yesterday. When the customer went to move the van this morning nothing on the dash lit up and the van will not start. The key is cracked a little, but everything that I have read on alldata says that this shou...
1998 Dodge B1500 3.9L Rear lights VIN: 2B7HB11X1W
When you step on the brakes with the lights on all lights go out.Seems that only one of the two filaments are lighting. Also with blower motor on any speed only have stagnant heat. not sure if both problems related
2001 Dodge Intrepid ES 2.7L Coolng System VIN: 2B3HD56U61
Please Help I Have This Intrepid From Hell Antifreeze Is Getting Into Oil I Have Pulled The Drain Plug,Oil Cooler Lines & Pressure Checked With No Signs Of Coolant. Also Pulled Timing Cover & Waterpump & See Nothing Wrong. Plugs & Piston Tops Do Not Show Sig...
2003 Ford F-250 Super Duty XL 6.0L lack power VIN: 1FTNX21P83
Vehicle came in with exhaust leak into cab. Found Y-pipe bad. Found rear main seal leaking as well. Pulled transmission, replaced seal, replaced Y-pipe, during this process we created a coolant leak at the EGR Cooler inlet to Intake. Remove intake manifold tur... Trouble codes: P2263 (turbo system performance)
2003 Ford E-250 4.2L Mechanical VIN: 1STNE24293
Failed Inspection - Codes P1131 and P1151 What to do first? Most common problems: Vacuum leak, A faulty fuel injector, or a lazy (or slow) O-2 sensor.
1998 GMC Safari SL 4.3L MIL Lamp on VIN: 1GKDM19WXW
I have this safari that is perplexing me.I have a p0121 TPS code that occurs repeatedly. I started with a new TPS sensor. because of the mileage, it was factory, cleared code and it came back a week later with code p0121. I followed the flowchart on mitchells ... Trouble codes: P0121
1999 Hyundai Elantra GL 2.0L no obd ii communicat VIN: KMHJF25FXX
faile dcalif . smog test for no communication. will not communicate with smog machine or my matco pro scan, but does with my solus. i have checked the following ecm grounds(with ohm and voltage drop),ecm power(memory andbatt. ),dlc connection and pin tightness...
2003 Jeep Grand Cherokee Limited 4.0L egs52 VIN: 158G848A54
Hi, I have a Jeep Grand Cherokee 2.7 diesel with engine and transmission from mercedes. The transmission goes into limp mode randomly. Sometimes it will switch gears and run fine, and other days it will not. I ran a control module diagnosis on the TCM and...
2004 Jeep Grand Cherokee Special Edition 4.7L rf wheel VIN: 1J4GW48N34
on heavy acceleration and/or when turning left you hear a grinding/binding noise out of the right front wheel. all front end parts are either new or checked out good. i checked all u joints and checked front differential fluid. all is checking out good. the ri...
2003 Kia Sedona EX 3.5L Timing Belt VIN: KNDUP13183
Hi everyone, just looking for information about the timing belt tensioner tool for this vehicle, specifically a part number/tool maufacturer. I've looked everywhere, even called the Kia dealer, but nobody knows where I can find this tool! I need it to complete...
2004 Kia Spectra LX 2.0L blend door actuator VIN: KNAFB16154
Replaced the control head and the blend door actuator after adding 12v and saw movement, and verified high and low resistance of 280ohms and 4.4kohms. The system then worked fine. It came back the next [...] not working. It has the same symtoms as before. Any id...
2000 Land Rover Discovery Series II 4.0L l rear speed sensor VIN: SALTY1245Y
vehicle has a stored code for no activity on left rear wheel speed sensor...data confirms 0 mph @ left rear wheel...all other sensors work fine...both rear sensors have the same resistance...wiring from controller to both rear sensors also have same resistance...
2004 Mazda 3 S 2.3L Mechanical VIN: JM1BK34324
i need some hellp on this one the customer brought me a engine from, a salvage yard from, a 2003 mazda 3 also aa 2.3l. the block and head look the same but the ignition system is totally different, coil on plug vs single coil and ignition wires, will this engi...
1982 Mercedes-Benz 240D 2.4L Mechanical VIN: WDBAB23A1C
This vehicle came to us with a brake noise. THe usual suspects were the frozen caliper RH front and LH rear, replaced all brake parts, test drove, change engine oil and filters and released to customer. 2 days later the customer arrives with a complaint of lac...
1988 Toyota Corolla DLX 1.6L Excessive Emissions VIN: JT2AE95C5J
Greetings: Cap car failed for excessive nox. Vehicle has 365k+ miles w/ original catalyst converter. Performed baseline when stone cold. Readings are as follows: 15mph/CO2=14.6/O2=.6/HC=152(130)/CO=.10(.80)/NO=2805(835) 25mph/CO2=14.9/O2=.2/HC=55(105)/CO=.12...
1999 Volvo S70 2.4L MIL Lamp on, DTC won't clear VIN: YV1LS56DXX
We are an independent shop with a full subscription to VIDA-AIOC (Volvo's computer diagnostic system) Based on all of our findings, we are unable to identify a problem. So we replaced the fuel ECM, factory reman with software download (ouch!) The DTC returns i... Trouble codes: ECM40

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1994 Chevrolet S10 2.2L Lighting VIN: 1GCCS1942R
Well, I am going to call this vehicle fixed. I never imagined a little good deed would have tied up my garage so long. After verifying all the wrong fuses and installing all the correct ones, the STOP-HZ 15A blew whenever I stepped on the brake pedal regardles...
2003 Chevrolet Impala LS 3.8L Hesitation, Surge, Cuts out, Misfire VIN: 2G1WH52K83
Can you see my red embarresed face from where you are? Most replies were right on. Plugged coverter! What threw me off was the rev limiting as this is by design. I was testing in the shop, car was in park & rpm is computer limited in park & neutral. Disconnect...
2004 Chevrolet Silverado 2500 6.0L steering VIN: 1GCHC23134
thanks for all that responded,I forgot to mention after I replaced the pump steering was much easier,after I replaced the hydro booster,steering is back to normal,and customer will be much happier to guide or park his trailer.
1995 Dodge Dakota 5.2L Excessive Emissions VIN: 1B7GL23Y6S
it was transducer and catalytic converter just one of them did not clean it up enough
1990 Ford F F700 7.0L left fuel pump VIN: 1FDNF70J6M
the fuel pump tank selector relay was screwed up inside. if I used my electronic ears I could hear the left tank running at a lower than normal speed when the right tank was the one selected. I will be honest I first replaced the tank switching switch with no ...
1999 Ford F-250 Super Duty XL 7.3L No Start VIN: 1FTNX20F8X
well i want to thank everyone for their replies, special thanks to roger who sent a detailed list of things to try and got my focus off the pcm and onto other possible causes. unfortunatley i have no idea what fixed this one, it was like the auto repair gods s...
2005 Isuzu NPR 6.0L Mechanical VIN: 4KLC4B1405
Thank you for all your help especially Thomas the booster needed 20" of vacuum to work properly the pump put out 16" at 1500 rpm not enough installed new pump (The one on the engine) took care of the booster light and the pedal feels great. Thank you.
2000 Lincoln Navigator 5.4L ac, abs srs VIN: 5LMPU28AXY
Sorry it took so long to close, I replaced the switch at the customers request and deciced to wait a few weeks to see if it cured the problem, so far so godd he stopped in at the shop a few days ago and said it hasnt done it since so I am assuming I had a luc...
2005 Mazda RX-8 1.3L No Start VIN: JM1FE17N25
I have not even looked at a Mazda sisce 1978 or 79. I want to thank all the people that took the time to help me. I took the fuel line off, plugged it off. Took plugs out cleaned plugs and cylinders, put the plugs back in and after a few tries it started. ...
1998 Pontiac Bonneville SE 3.8L Hesitation, Surge VIN: 1G2HX52K7W
well, i will definitely borrow the dis scope leads for my modis next time i have this type of scenario, i would have seen the failure. But i was able to nail it with my test wires i used, so i replaced the set, and customer drove vehicle for a week with no com... Trouble codes: P0171, P0230, P0404, P1404.
2005 Toyota Sienna LE 3.3L Hesitation, Cuts out, Misfire VIN: 5TDZA23C35
Had diesel fuel mixed in cuss. did not admit to doing this
2002 Volvo V70 2.4L Fuel tank VIN: YV1SW61RO2
This one is fixed! Like most had suggested, it was a cracked fuel pump cover. As most had also suggested, it was covered by Volvo's extended warranty on this unit, which the customer was happy to hear about. Thanks for all the help and suggestions, especially ...
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