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Prev Professional Automotive Repair Technical Discussions for December 18, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
2001 Audi A4 1.8L No Start VIN: WAUAC68D21
Need real help with this one. Vehicle towed in no start. Battery was low. Disconnected and recharged. Customer had replaced the f/pump relay as he checked and found no power at the pump. Checked and found no power to the pump. Checked the relay and it was not ... Trouble codes: 00771 (Instrument cluster open/short fuel level sensor), 01314 (instrument cluster ECU no comunication-intermittent), 00956 (central lock Key2 adaptation limit surpassed), 18010 (Engine power supply terminal 30 voltage too low), 17910 (Engine f/p relay short to plus), 17951 (Engine angle sensor 1 signal too low)
2007 Audi A4 2.0L No Start VIN: WAUAF78E57
Hello Audi Techs: We have got a tow in that we discovered has oil in the intake and has flooded the Air Flow Meter. We did the crank case valve (recently) that is on the valve cover and the car still was smoking. We did find that the oil filter housing also ha... Trouble codes: P1093 (Fuel Meassuring System 2 Malfuction), P0300 (Random Misfires Detected), P0302 (Cylinder 2 Misfires), P0304 (Cylinder 4 Misfires), P0303 (Cylinder 3 Misfires), P0301 (Cylinder 1 Misfires)
2004 BMW 525i 2.5L No Start VIN: WBANA53524
bmw techs need some help on this one, customer said car died on the highway, car was towed in and has a crank no start condition, fuel pressure is between 50-55lbs while cranking. Car will run on starting fluid. INJECTORS NOT OPENING, Fuel injector appear to b...
2004 Buick Rendezvous CX 3.4L red brake light VIN: 3G5DA03E74
Hellow. Problem. Customer had problem with 4 brakes stuck on. Brakes have been bleeded, and it was ok at this time. Now the customer came here with the same problem. We have changed the master cylinder, seems ok. But still however stuck on, and red dash light ...
2004 Cadillac SRX 3.6L Steering VIN: 1GYEE637X4
Hey everyone, Thanks for your time. We put a rebuilt rack in this vehicle to try and solve a hard steering at idle issue. Seems as though there is no assist. As soon as you are moving, it seems to steer fine, just no assist for parking lot maneuvers. Fluid wa...
2007 Cadillac Escalade 6.2L remote start VIN: 1GYFK63857
Cadillac came in with a complaint of the remote start wouldn't work. So we purchased two new keyless entry remote start transmitters and reprogrammed the RCDLR. Also did the ECM and Transmission modules. Still wouldn't start with the remote. Replaced the RCDLR...
1995 Chevrolet Camaro Z28 5.7L Poor Idle Quality, MIL Lamp on VIN: 2G1FP22P9S
Now engine has a high idle 1500 RPM. No vacuume leaks have been found.from intake runners, or rubber lines. Internet states that these Model years have OBD 1 PCM system with OBD 2 ALDL connector,and will not communicate with scan tools. Owner feels this may b...
2004 Chrysler Sebring Touring 2.7L MIL Lamp on VIN: 1C3EL56R84
vehicle keeps setting codes 171 and 174. ltft's are at 28 to 30%. engine runs very smooth. power is normal. engine burns about a litre of oil every 2000 kms. engine has been run with all vacuum lines disconnected and plugged, fuel system has been disconnected ... Trouble codes: 174 (Lean bank 2), 171 (Lean bank 1)
1998 Dodge Ram 3500 5.9L Charging system and transmission VIN: 1B7MF3363W
Vehicle comes in not charging and transmission not shifting. A scan comes up with a code P1693 fault in companion module. After cleaning some very corroded battery terminals and confirming that external circuits were good, the PCM was replaced. We road tested ...
2001 Dodge Caravan SE 3.3L No Start VIN: 1B4GP25301
Hello fellow techs I have one here that I haven't seen before. this caravan came in with the complaint that the lights and radio don't work they stated going down the road 10 days after replacing the battery all the lights blew. so i start my testing it was dr...
2002 Dodge Durango Sport 4.7L No Start, Cuts out, MIL Lamp on VIN: 1B4HS38N32
Hi every body, I hope every body is good . I have this Durango that other shop did a internal engine repair before us, customer doesn`t provided a good description, engine was partially apart when we had this one. we put all back together and engine starts and... Trouble codes: P0339 (Ckp sensor circuit intermittent), P0344 (Cam sensor circuit intermittent), P0016 (Crank/cam timing misaligment out of sync)
2003 Dodge Neon SXT 2.0L Multifunction switch VIN: 1B3ES56C53
Hey Dodge Techs... Has anyone pinned down the absolute cause of these Dodge Neon headlight switch -- burnt harness -- failures affecting the headlight circuit. And, will replacing the switch / harness repair make lasting repair ? Your response will greatly ...
2005 Dodge Grand Caravan SE 3.3L Turn signal Indicator VIN: 2D4GP24R75
This van has a turn signal issue.It has a "left rear turn signal output short" code in BCM. When you turn on the LEFT turn signal the EXTERIOR lights work/flash the way they are supposed to, but I get NO turn indicator lights on the dash.I am pretty sure this ...
2007 Dodge Ram 1500 SLT 5.7L Air Temperature VIN: 3D7KR19DX7
This one has me kind of puzzled. Regular customer brought this truck in complaining of no heat. Flushed cooling system and changed thermostat. ECT does not fall below thermostat temperature during idling or test drive. Vehicle has singled zone temperature cont...
2009 Dodge Ram 1500 Sport 5.7L dome/vanity VIN: 1D3HV13T99
None of the interior lights come on when the door is opened. I can turn on the rear dome light with the button on it for about 5 minutes,if I roll the panel dimmer switch back and forth then I can get the rear dome light on again, most of the time I can turn o...
1999 Ford Ranger XL 2.5L Cooling Systems VIN: 1FTYR10C8X
Cust comes in and states heater is cool at all times and according to gauge engine runs cold at all times and asks us to replace T/stat. No leaks and system was full before we started. We replaced T/stat with 192 degree stat from O'Riellys. Test drive with sca...
2002 Ford F-150 Lariat 5.4L MIL Lamp on VIN: 1FTRW08L62
Any help you guys can offer would be greatly appreciated, this truck is kicking our a$$es. Originally came in with just a P0174 (lean condition Bank 2). We smoked the intake for leaks and found the PCV valve to be leaking a bit, so we replaced the PCV and Gro... Trouble codes: P0174 (Fuel System Too Lean Bank 2), P0171 (Fuel System Too Lean Bank 2)
2003 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTNW20P33
i think i know what is wrong but would like some input first. i am not a diesel tech but do know a little. this is my buddy's truck. i installed an egr bypass and replaced the oil cooler about a month ago. after a few problems with exhaust leaks and resetting ... Trouble codes: P2290
2008 Ford Ranger XL 2.3L Abs VIN: 1FTYR10D58
Any help will be appreciated . I did not get a code for the abs module. But i did get code c1148 (right front wheel speed sensor coherency fault. Also code c1158 (left front wheel speed sensor coherency fault. I also replace the front sensors but vehicle is ac...
1995 GMC K1500 Sierra SL 5.7L No Start, Misfire VIN: 1GTEK19K6S
The truck came in to shop not running very good and not starting good. replaced spark plugs, Distributor cap and rotor because rotor had a crack in it. replaced the timing chain because it was loose and double checked to make sure distributor was set correctly...
2008 Hyundai Santa Fe SE 3.3L Variable cams VIN: 5NMSH13E78
Vehicle came in missing on bank 2 with stated codes. Vehicle owner was told at dealer that vehicle needed chains or an engine. Verified cam /crank on bank 2 was advanced. Manually activated solenoids while scoping current and found bank 2 had a different patte...
1999 Isuzu Rodeo LS 3.2L Poor Idle Quality, Cuts out, Stall VIN: 4S2CK58W7X
Vehicle came to me last Saturday. Customer was complaining that the vehicle would cut out on him and that he had to keep his foot on the gas in order to keep it running. At other times the idle was unstable and the SES lamp was on constantly. The vehicle was t... Trouble codes: P0101 (MAF sensor circuit performance), P0401
1999 Jeep Cherokee Limited 4.0L No Start, MIL Lamp on VIN: 1J4FT78S1X
The vehicle was towed in. When i went to start car there was no check engine light and the asd relay was buzzing. Sometimes the light is on and the vehicle will start but it doesn't want to idle. Whenever you turn on the car and the relay buzzs the condenser f... Trouble codes: P0700 (There is a trans problem), P0854 (Trans code i can find no definition)
2002 Jeep Liberty Limited 3.7L heater VIN: 1J4GL58K52
This came in complaining of low heat. I replaced the thermostat and flushed the heater core. When driving down the road the heat blows good but when stopped the heater doesn't blow as hot. It was -25 yesterday so the customer really noticed it then. Any help w...
2005 Kia Sportage LX 2.7L No Start VIN: KNDJE72345
Car came in last week with a no start, checked spark and injector pulse, scan checked has a code 420 cat.system. Everything seemed ok on the scanner readings, was late in day, came back to it the next morning hooked a fuel gauge to it, car ran, checked the oil... Trouble codes: 420
2004 Mazda RX-8 1.3L Poor Idle Quality, Cuts out VIN: JM1FE17314
first im not to familiar with this cars.At idle engine will start running rough,has a bad smell like its running rich,then idle down and cut off.check engine light will flash,but no codes.Then its hard to start back up.At times it will run great.checked for va...
1989 Mercedes-Benz 300SE 3.0L No Start, Poor Idle Quality, Hesitation, Cuts out VIN: WDBCA24D1K
Vehicle came in with hard cold start. Starts and stalls when cold. Will stay running with carb cleaner or starting fluid. We performed R&R plugs, wires, cap, rotor button. Smoke tested intake and found slight vacuum leak from electrical side of idle air contro...
2010 Mercury Milan 2.5L steering VIN: 3MEHM0HA6A
Vehicle has no power steering. Has a code C1277 and C1963. There is communication with pscm and steering wheel angle sensor is working. Steering returned for a brief moment in the parking lot. Any suggestions? Thanks
2000 Nissan Quest GLE 3.3L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 4N2XN11TXY
Vehicle originally came in for BRAKES... Upon backing it out, it died repeatedly, and customer decided to leave it for diagnostics. Apparently the vehicle had already been doing this. Vehicle has left and come back, customer decided they want to spend some mon... Trouble codes: P1105 (MAP/Baro out of range)
2004 Nissan Murano SL 3.5L Speedometer VIN: JN8AZ08T14
Hello group- I need some help understanding the theory of operation on this 04 Murano's speedometer, as well as a tip on where to go from here. Let me begin by explaining how I think this system works, and what testing I've done so far on it. If I understand ...
2005 Nissan Xterra Off-Road 4.0L Computer VIN: 5N1AN08W15
Good day to all. I have this Nissan Xterra that will go into limp home mode after the transfer case has been engaged for about 7 to 8 minutes. The check engine light comes on and the codes are u1000 and u1001. If you let it sit for a couple hours the the trans...
1996 Oldsmobile 88 Royale 3.8L Poor Idle Quality VIN: 1G3HN52K9T
This car has a high idle. It will go as high as [...] at times. The scan tool shows the tp sensor voltage fluctuating any where from .35v to .47v fairly rapidly. The tp % is from 0 to 3% fluctuating also. If you disconnect the tps sensor idle is perfect and...
1999 Pontiac Grand Am GT 3.4L No Start, Stall VIN: 1G2NW12E4X
This should be a simple one but I am missing something. The car won't start when it is cold unless you hold the throttle open just a bit. If you let off the throttle it will die until it has been running for more than 5 seconds. the car will just start and sta...
2001 Toyota Prius 1.5L No Start, HV Control VIN: JT2BK12U71
Vehicle has P3100-172 in HV control. Best I can find info code 172 is an internal error in the HV ECU for the motor REF Signal Malfunction. Clean the code and it comes right back. No ready light, gas motor will not crank even if you try to put the HV ECU into ... Trouble codes: P3100
2007 Toyota Sequoia SR5 4.7L 4x4 VIN: 5TDBT44A67
4x4 not completely disengaging or engaging rapidly. makes a whiring gear bind type noise from front diff. does this while engaging or disengaging from 4x4 high. lights flash on dash will finaly disengage if on completely rough surface or if u turn the wheel sh...
2006 Volkswagen Passat 2.0T 2.0L battery drain
Hi all, I have this 06 Passat that came in with a flat battery. Customer states that it has been replaced 3 times already. I checked for a battery draw and found 1.6amps! I had all the doors and bonnet closed and locked it and left the car for over 30 mins whi...
2007 Volkswagen Touareg 3.6L MIL Lamp on VIN: WVGZE77L37
VW and Audi Tech, please help. Car came in complaint about loud vibration noise from engine area and check engine light on. We heard the noise from the fuel rail area. Install scanner, all misfire faults, cam fault possible due [...] low oil or timing chain relat... Trouble codes: P0088, P0341, P0300
1998 Volvo V70 2.4L Heat VIN: YV1LW5538W
Customer complaint is no heat and low amount of air flow. Customer states they ran car for 2 1/2 hours. We cant duplicate. Has anyone ran into this trouble.

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Buick LeSabre Limited 3.8L Po171 VIN: 1G4HR54K15
Going to go ahead a closes this post. I thank you all for the overwhelming response. Did not get to smoke it yet my buddie was involved in a wreck and banged up his knee so this will have to wait. An interesting side note is that the freeze frame also showed...
2005 Buick LaCrosse CX 3.8L No Start VIN: 2G4WC53205
2000 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNCT18W9Y
It ended up being the canister. The canister bled off the vacuum like I thought it should, but not quite quick enough. Pulled a canister from a 2001 Blazer we had here on the lot and compared the bleed off and it was night and day. Installed the 2001 canist... Trouble codes: P0446.
2008 Dodge Charger SE 3.5L Starting VIN: 2B3KA43GX8
To fix this one we replaced the WIN (wireless ignition node) module. Towed it to Dodge to have it programmed. Test drove, everything works great. Thanks for all the help.
2008 Dodge Sprinter 2500 3.0L MIL Lamp on VIN: WD0PE845X8
Hi, Thanks all for the help and input, I have waited until now to close this help request as I have been following up with the customer every few days to be sure it was 100% fixed. The cause of our problem turned out to be a MAF sensor reading about 10 to 20... Trouble codes: 2011 (MAF deviation too high).
2005 Ford F-250 Super Duty King Ranch 6.0L No Start VIN: 1FTSW21P45
thanks for all the help guys, i found two injectors leaking on driver side, but been busy with other work so havent had time to paly around with it yet, but will post something as soon as i get to it. thanks everyone and happy holidays. Trouble codes: P0261, P0267.
2008 Ford F-450 Super Duty Lariat 6.4L engine noise VIN: 1FTXW43R48
Thanks for the responses. I contacted my customer and discussed our options. He informed me that he had ford listen to this chrip noise a couple times prior to me replacing rocker arms. I wasn't aware of this. They told him that it would be hard to find and re...
2009 Ford Crown Victoria Police Interceptor 4.6L Stall VIN: 2FAHP71V89
after checking with a friend at a transmission shop he gave me several bulletins about the valve body causing stalling. We read them and did the testing to see if it fit what was listed on them. Yes we did. could get it to stall based on the bulletin 90% of th...
2006 Lincoln Town Car Signature Limited 4.6L ride height VIN: 1LNHM82V86
Thanks for your help. I am convinced this is a mechanical problem with the suspension & not a air suspension problem. This car is not driven much & the owner has decided not to investigate other possibilities at this time.
2008 Mercedes-Benz GL450 4.6L flywheel VIN: 4JGBF71E98
Indeed the flex plate was very cracked around the mounting area,suprisingly easy to get apart, thanks for the help and quick responses.To tell the truth the MB stuff scares me a little!
2007 Nissan Maxima SL 3.5L Unknown VIN: 1N4BA41E97
thanks for the help. we sent it back to the dealer. it is covered under a extended warranty. 10 yr. 150,000mi.
2006 Saab 9-3 2.0T 2.0L Cuts out VIN: YS3FD79Y96
Thank you for all the replies. Actually we did vertify problem and after the problem, we see the fuel pressure drop down [...] 18 psi after engine cut off. But we can restart we car right away. Since that the problem disappear. We suspect the fuel pump or fuel re...
2008 Saturn Astra XE 1.8L check engine VIN: W08AR67198
Just cleaned the MAF and customer never came back. supose it's all right! Really poor OEM informations for this problem, but members help was really apreciated. Thanks.
2001 Toyota RAV4 2.0L No Start VIN: JTEHH20V21
Ok Vehicle is fixed. After eliminating sensors,wiring etc.We decided to pull the ecm and send it off to be checked and repaired.The computer rebuild company said it had bad coil drivers.Reinstalled ecm and car now runs great.Thanks to all for your help and sug...
2005 Volkswagen Jetta GLS 2.0L No Start VIN: 3VWSA69M25
Well this one threw me for a loop but, I finally figured out the problem. Sorry to say nobody got it but, I thank everyone for the responses. For lack of any better ideas I decided to to a cylinder leakage test. When I got to #3 cylinder I was holding the br... Trouble codes: P1517, P0685.
2008 Volvo XC70 3.2 3.2L MIL Lamp on VIN: YV4BZ98238
Well, this ended up being a very simple fix in the end. The fuse that supplies power to the leak detection pump was missing. I installed the fuse & tested the operation of the system & found all tests out ok now. Cleared the code & the fault has not re-occurre... Trouble codes: P2401 (Leak detection pump fault), P2419 (Leak detection pump fault).
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