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Prev Professional Automotive Repair Technical Discussions for May 28, 2014
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2002 BMW X5 4.4i 4.4L horn VIN: 5UXFB33502
After charging up battery. When turn ignition key to the first position horn will blow until turn the key to second position than horn will stop blowing. Scan test all systems fault codes for low voltage. Test & replace weak battery. Still no change. Has a gro...
2003 BMW 325i 2.5L No Crank VIN: WBAAZ33473
We have tried the modius and solus ultra to resync EWS and DME. The Genysis does not have an option for resync. Both scanners keep saying repeat procedure. We are getting code 27A4 EWS 3.3 interface DME. What is preventing system from resyncing/not starting Th...
2005 BMW X5 4.8is 4.8L Air suspension VIN: 5UXFA93535
Customer got a diagnostic result from BMW service that the AS module has internal fault. He then wanted us to do the work. I talked to BMW part, they assured me that the module is just plug & play. I got the module from BMW part, installed and nothing happen. ...
1993 Chevrolet Corvette 40th Anniversary Edition 5.7L No Start VIN: 1G1YY23P3P
No crank, no start, vehicle was running fine, stopped for fuel, went to start acts like clutch pedal is not depressed. Checked clutch switch and ignition crank fuse. We have voltage at the fuse with ignition in the crank position, however no voltage at the clu...
1994 Chevrolet G30 Sportvan 5.7L Steering VIN: 1GBGG39K9R
This is a pretty good size motorhome on a G30 chassis & it drives terrible & gets worse when the wind blows. The shocks have been replaced with heavy duty ones, it has a new pitman & idler arm, we put on a heavy duty rear sway bar, the tires are new 12 ply, & ...
2001 Chevrolet C7500 Kodiak C7H042 7.2L Cuts out VIN: 1GBJ7H1C61
we were told fuel tank was replaced due to water and rust. We changed filers and replaced #1 inj due to miss. truck run fine for several weeks. Then developed air in fuel filters so we replaced all o-rings on other injectors . now acts like starving for fuel u...
2002 Chevrolet Suburban 1500 LS 5.3L Pedal VIN: 1GNFK16T52
I have driven this vehicle for over 50 miles, have not been able to duplicate concern, cust states that the brake pedal goes to the floor intermittently. They will pull over and shut it down, wait for a little while and then the pedal returns to normal. Any id...
2007 Chevrolet Silverado 1500 LTZ 5.3L No Start VIN: 2GCEK19J77
Towed in. No start, no fuel pressure. U0109 DTC stored. Found fuse for FPCM blown, old FPCM will blow fuse soon as harness is plugged in. New FPCM installed, no more blown fuses, will not start, no fuel pressure, no DTCs upon cranking. If I understand correct... Trouble codes: U0109
2007 Chevrolet Equinox LS 3.4L abs VIN: 2CNDL13F67
Hello to all. We have this reoccurring code in abs module. C0040 right front speed sensor. Have checked sensor and wiring with no problems found. Ohmed sensor and compared to left front. Checks ok. No loss of signal while driving, no bad bearing. The weird thi...
1999 Chrysler Concorde LXi 3.2L No Start VIN: 2C3HD46J3X
Thanks in advance for your help. This vehicle had a long crank only after a hot soak for about 10 min. The fuel pressure is at 48 psi running. The fuel pressure drops down to 0 psi within 1 minute after shutting off engine. There are no codes present in the pc...
2003 Dodge Ram 1500 Laramie 5.7L No Crank, No Comm. VIN: 1D7HA18D13
Vehicle came in with intermittent No Crank complaint. Found that No Crank is accompanied by No Communication with PCM problem. All modules communicate when starting, and only PCM stops communicating when No Crank occurs- all others still talk. Have tested all ... Trouble codes: P1618 (Sensor Reference Volts Erratic), P2106 (Forced Limited Power)
1995 Ford Aerostar XLT 3.0L Steering wheel Shake VIN: 1FMCA11U9S
& of Course it's Mine.. Replaced *Everything*!! front brake related due to the miles & heat smoking pads.. When I get up to 55 MPH & Above the steering wheel Starts to shake.. I painted the rims Before the wheels were mounted & there is No indication of the ba...
2002 Ford Taurus LX 3.0L Power steering pump VIN: 1FAFP55U02
Hi everyone. I have a weird one here. We had a customer come in with a deer impact which required the replacement of the hood, both fenders, front bumper, and radiator support. I test drove the vehicle BEFORE we did any repairs and everything worked normally. ...
2003 Ford Mustang GT 4.6L theft,odometer reads -------- VIN: 1FAFP42X23
vehicle will not start at times. odometer will read --- cooling fans come on and theft light flashes. customer does not drive vehicle often.issue seems to happen more when damp out.
2005 Ford F-250 Super Duty King Ranch 6.0L Stall VIN: 1FTSW21P05
Customer's complaint is an intermittent stall condition when decelerating with a hot engine. The truck runs normally at freeway speeds and will only stall below 20 mph such as exiting the freeway or surface street driving and releasing the throttle completely ... Trouble codes: P0341 (Camshaft sensor performance)
2005 Ford F-150 STX 4.6L Starting VIN: 1FTRF04W95
Has any one ever seen a fuel driver module that shorted out and took out the pcm and alternator. Customer said he was driving down the HWY and the truck ran great. then all of a sudden he lost steering and the lights came on on the dash. pulled over and the tr...
2007 Ford F-150 XLT 5.4L Misfire VIN: 1FTPW14V37
Howdy IANT folks. Got this 5.4L 3 valve motor in this 07 F150 4WD pickemup truck. The problem is #1 cylinder misses badly. The customer is an electrical engineer, whom was a part of the team that designed the first computerized injection system for ford. So it...
2009 Ford F-350 Super Duty FX4 6.4L Cruise Control VIN: 1FTWW31R39
Customer is complaining of inop cruise. diagnosed system and found no power from pressure switch on master cylinder to pcm. There is a broken wire somewhere, but with how tight they pack this thing together it is difficult to find. just curious if anyone has s...
2000 GMC C3500HD 7.4L starting
hello techs have this 2000 p chassie 454 class a motor home ,it has no power to the dash gauges,and will not crank act like has no battery, battery good conections good ground good, all fuses under dash good, power to igniton switch coming in in two places,pow...
2001 GMC Sonoma SL 2.2L MIL Lamp on VIN: 1GTCS14501
vehicle keeps setting code p1441 for evap flow during non-purge. I have tested purge solenoid and made certain it is not installed backwards. it tests out good every time. same with fuel pressure sensor and what it should be at with system sealed and open and ... Trouble codes: P1441
1999 Honda Odyssey LX 3.5L low pressure VIN: 2HKRL1854X
this one was acquired from another tech in the shop. came in for a/c performance check, found leak at low side service port accompanied with a cycling clutch from a low charge. replaced schrader valve, full evac and recharge. upon recharge found low side press...
2007 Honda Odyssey EX 3.5L Mechanical VIN: 5FNRL38707
The a/c cuts in and out on this one. Checked pressures and found that high side was very high. The cooling fans are kicking out intermittantly Sometimes the fans run, sometimes not. Switched out relays and same issue. Anybody heard of issues.
1995 Jaguar XJ6 4.0L Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: SAJHX1742S
Hello all, i have been working on this nightmare Jag off and on over the last 3-4 weeks. Issue is this, the car starts and runs great. After it is driven or let idle for roughly 40-50 minutes it will start acting up. When it does, driving down the road out of ... Trouble codes: P1192, P1194, P1191, P1790 (Throttle position sensor Code was in trans module not ecu)
1995 Jaguar XJ6 4.0L Camber VIN: SAJHX1745S
Car pulls right, presumably due to -.5 right camber and -1.1 left camber. Caster is almost perfectly even. All tires new,no brake drag,etc. Camber -.8 to +.3 So, the left is out of tolerance and we have .6 difference, side to side. There is no ordin...
2004 Mazda RX-8 1.3L No Start, Poor Idle Quality VIN: JM1FE17304
The car will crank over but will not start did find one coil bad replaced it still no start i can push it and it will start right up but will not hold a idle good fuel pressure runs good if you push it and keep it off idle
1985 Mercedes-Benz 380SL 3.8L Poor Idle Quality VIN: WDBBA45C8F
Prior to starting all of the work the fuel tank was drained and refilled with new fuel and BG additives. Car ran great but would randomly start to idle high. Would do it in park or while cruising down hill; could feel vehicle pick up speed and rpm would rise. ...
2003 Mercedes-Benz C230 Kompressor 1.8L shifting VIN: WDBRF40J93
vehicle came in with hard 1st to 2nd shift ,if you are hard on the throttle it will squeal the tires. When cold it shifts ok as the the car warms up there becomes a delay in the 1-2 shift then the shift gets hard. I have checked all the resource I can ,I am th...
2008 Mercedes-Benz SL550 5.5L trunk lid VIN: WDBSK71F48
2008 sl550- trunk lid will only travel half way up and stop. then by hitting button from any location lid (from driver's door switch,keyless-go button, and from outside handle)will open fully. denormlized convertible top module. Now module will not normlize. I...
2003 Mercury Mountaineer 4.6L engine VIN: 4M2DU86W83
Has antifreeze coolant in oil. The head gaskets were previously replaced by unknown shop and this didn't fix the problem. I removed the engine and sent it to a re-builder. They didn't find any reason for the antifreeze to get into the oil. I re-installed the e...
2011 Mitsubishi Endeavor LS 3.8L Noise VIN: 4A4JN2AS1B
Hello guys. I got this vehicle that's giving me trouble finding this noise that I have narrowed down behind the timing cover area. It sounds just like wheel bearings but they have been replaced. The HUMMING noise starts after it has been driving 5-6 miles. It ...
2001 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA31A31
Hi everyone. I'm having some trouble with this vehicle. Vehicle came into shop with numerous amount of codes do to customer was trying to repair the vehicle himself. It has to pass emission test and on his paper work from the EPA the only codes stated were p13...
2008 Nissan Rogue SL 2.5L No Start VIN: JN8AS58T18
The Nissan arrived with a no start condition. I used the Autel Maxidas to do an auto code read. It retrieve the codes I listed. The this scan tool will not communicate with the engine control module. When I clear all the codes, all of these codes return immedi... Trouble codes: P0725 (engine speed signal), U1000 (can comm), P1705 (TP sensor circuit A/T), P0868 (secondary pressure down)
1997 Porsche 911 Carrera 3.6L Poor Idle Quality, low manifold vacuum VIN: WP0AA2991V
The car came in with secondary air faults.Found the air passages plugged due to oil leaking past the valve guides.Disassembled the engine and sent the heads,cam holders and cams to the machine shop.Received the parts from the and then found a nick in... Trouble codes: P0300, P0302, P0303, P0305, P0306
1998 Saturn SW1 1.9L Egr VIN: 1G8ZG8285W
Replacing cylinder head and found Egr passage in the intake manifold plugged. Any thoughts as how to clean. There is a core plug in the area but not sure if that is egr or coolant. Appreciate any ideas. Thank you.
2007 Scion tC 2.4L whining noise VIN: JTKDE17747
Hello guys I want to thank you all in advance for your help. This vehicle has a whine or whistle sounds coming from the catalytic Converter manifold area. The Noise can be heard at idle but it really loud under load. I haven't seen many scions so I was wonderi...
1994 Subaru Legacy L 2.2L Misfire VIN: 4S4BJ63C6R
This Subaru mail delivery car was hard to start and idled rough, misfiring on at least 1 cylinder. Spark plugs were very worn, replaced plugs and wires, still misfiring. Codes listed won't clear. Misfiring on front 2 cylinders, #1 and #2. Tried a known good ig... Trouble codes: 24 (Bypass Air Control Valve), 35 (Canister Purge Solenoid)
2010 Subaru Legacy 2.5i 2.5L Unknown VIN: 4S3BMBK66A
Help Subaru techs! This Legacy came in with no cold from a/c- we tested- system is full. There is very little info on this variable compressor system- any tips or direction would be great! Thanks, Greg and crew
2002 Toyota Camry LE 3.0L 2-3 shift VIN: 4T1BF30K12
Here is one that came in with multiple concerns from the customer. First concern was the Idle speed at start-up seems to be much high than it should be. Second concern was on a cold drive the 2-3 shift would only happen if you above 3000 RPMS. I verified this....
2005 Toyota Tacoma Pre Runner 4.0L intake cam gear adjuster VIN: 5TETU62N55
OK, customer initially came in clack noise, no oil press. r&r engine, sent out engine for overhaul to local machine shop, installed engine, loud clack noise, large lifter gap, machine shop says ok, customer drove vehicle 500 miles, then customer states rough i...
2001 Volkswagen Golf GTI GLS 1.8L Camshaft Timing Chain noisy VIN: 9BWDD61J61
The camshaft timing chain is noisy on start ups and after sitting for exteneded periods of time, after enough oil pressure is built the noise goes away. With the valve cover removed and examining the camshaft tensioner it appears to be in good shape with no no...
1997 Volvo 850 2.4L No Start, Stall VIN: YV1LW5549V
Okay all my Volvo mechanics. I hope you all had a great Memorial Day week-end because I need you to help me get this sick Volvo 850 wagon back to his family. What happens is the wagon will run beautiful for several miles and then all of a sudden will start to ... Trouble codes: P0335, P0102, P0340
2001 Volvo S40 1.9L No Start VIN: YV1VS29571
Car was towed in. No Crank. customer states it was running, shut it off for a short period then when he came back would not restart. No Check engine light. Can not communicate with ecm through volvo specific on scan tool.(iscan and vci). Go generic and I can s... Trouble codes: P0600, P0602, AT521

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 BMW 325i 2.5L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: WBAAV33491
Some what of a fix here, I smoke tested it and found someone had patched the PCV line from the front top of valve cover to the oil trap, after repair the car ran much better when cold but still was not 100% repaired,it still ran somewhat rough until it warmed... Trouble codes: 68 (tank venting valve), 65 (camshaft position senor inlet), 242 (cyl 5 misifire), 240 (cyl 3 misfire), 243 (cyl 6 missifire).
2008 BMW 535i 3.0L Noise VIN: WBANW13558
As a note to some of you...The tires cannot be rotated on this car. The rear wheels are too wide to be bolted onto the front. What my plan was is to see if the wheels from his 3 series would fit and try swapping them out temporarily to see if the noise went aw...
2005 Buick LaCrosse CXL 3.8L door locks VIN: 2G4WD53215
Tried two different suppliers from aftermarket remotes, none worked. Ordered OEM part by vin and it worked. Aftermarket remotes aren't always the way to go.
1994 Chevrolet Camaro Z28 5.7L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 2G1FP22P5R
Thank you all who responded. Appreciate it a lot and here's the rest of the story. So before going after the distributor & rotor and/or whole distributor which seems to be the overall favorite I ran a few more tests. I checked fuel pressure - OK (35-40psi) dur...
1996 Chevrolet Corvette 5.7L No Start VIN: 1G1YY3258T
I finally got this one out. After a lot and I mean a lot of time tracing wires I finally was convinced it was the ccm. Found a place that services them. It took two weeks to get it back from them. Installed road tested car all is good with this one.
1998 Chevrolet K1500 Cheyenne 5.0L Engine VIN: 1GCEK14M2W
First of all I want to thank everyone who replied to my request, especially Dan from Texas, as I also think is funny! (and wise) Once again, the demise of this engine was not from 3M roloc discs, but from the engine being unknowingly ran with green coolant in ...
2014 Chevrolet Cruze LTZ 1.4L Ign. VIN: 1G1PE5SB2E
ok guys we got it back from the dealer and they replaced the bcm but that didn't fix it long story short Dave from Nebraska hit on it, the crimp on the neg. cable at the batt. was the culprit, they replaced the cable and all is good now. thanks to all. AND YES...
2005 Dodge Neon SXT 2.0L No Start, MIL Lamp on VIN: 1B3ES56C55
Thanks for the help guys...most replies told me to check the ground for the fuel sender which I did and found it to be ok. I finally was able to get this thing to act up while someone else was around and then determined while it was a no start, it had no inje... Trouble codes: U110C.
2001 Ford Mustang SVT Cobra 4.6L All readiness monito VIN: 1FAFP47V51
Thanks to all that replied. According to the owner, no changes or modification/repairs had been done since he bought it in 2004. He bought it with a magneflow (catless) exhaust and probably a power chip since he said it would do the 1/4 mile in low 13's. The r... Trouble codes: C1805 (Repeats pcm/abs mismatch).
1997 GMC C1500 Sierra SL 4.3L Mechanical VIN: 1GTEC19W2V
With the replies I got I decided to do the torque convertor and pump. That solved it. Since I did the torque I will never know if the pump only would have fixed it as well. If it was my own I may have tried pump only first but I didn't want to risk a come back...
2011 Honda Civic DX 1.8L radio code VIN: 19XFA1F34B
Jo from pa had correct code. For anyone that needs honda radio codes honda has a page to retrieve them that I found. Thanks.
2005 Hyundai XG350 3.5L No Start VIN: KMHFU45E65
Frank was 100% correct. The ignition failure sensor was bad, not providing coils with enough power under load. After replacing failure sensor engine started but still had code p0350 and misfired badly. Figured out coil driver in computer bad. We replaced compu... Trouble codes: P0350.
2003 Infiniti G35 3.5L Mil Lamp VIN: JNKCV54E83
Thanks to Wayne and Vincent, Cleared the self learn value's this mourning an re-tested switching normally now! Would like to see all data list that self learn must be cleared after repair! We usually clear fuel trims after repair but "self learn" is a new term...
2004 Lexus RX330 3.3L Hesitation, Misfire VIN: JTJHA31U84
thanks to all that answered. the problem was the water pump was leaking on crank sensor. coolant was in connector. replaced waterpump and sensor. running fine now. Trouble codes: P0305.
2004 Mazda 6 S 3.0L engine VIN: 1YVFP80D34
We installed a new pcv valve, it seemed to help a little but we are afraid the engine has ring issues because of the converter coming apart, customer thinks they will just trade the car in. Thanks again for the help! David Lee
2010 Mercedes-Benz GLK350 4Matic 3.5L Sensors VIN: WDCGG8HB0A
Thanks for the 10 quick replies. Most said to replace the sensors and only use plastic caps, which is the first note in Mercedes instructions on changing the TPMS sensors. Some who had experience with this problem expressed sympathy. One suggested cutting sli...
1998 Toyota Camry CE 3.0L MIL Lamp on VIN: 4T1BF22K9W
thanks to all who responded.the link to the forum discussion on this subject was especially really helped to confirm my suspicions about the rear o2 sensor not being active enough.i installed the rear o2 sensor,did one more drive cycle,and the o2 mo... Trouble codes: P0171.
2001 Volkswagen Beetle GLX 1.8L cam to crank sync VIN: 3VWDD21C81
have checked everything suggested and still have not fixed it, have sent it to the dealer and they haven't figured it out yet either, will repost when fixed and inform you all
2005 Volvo XC90 V8 4.4L Misfire VIN: YV1CZ85235
thanks for all replies. customer declined further teardown to trace problem Trouble codes: 03080.
2005 Volvo S40 T5 2.5L Mechanical VIN: YV1MH68205
Found that the shop where vehicle had came from had installed clutch wrong.The self adjuster on the pressure plat was all the way out.Reset set self adjuster part and installed clutch works perfect.Hope this can help anyone in the future.
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