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Prev Professional Automotive Repair Technical Discussions for March 27, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
1992 Audi S4 2.2L Steering VIN: WAUHP54A0N
Help Audi Techs!! This S-4 came in with leaks in the rack and pump- after replacement we now had a groan/ vibration in the pressure hose from pump to rack while turning the wheel back and forth. We tried a second pump then rack- same. We have followed the blee...
2007 Audi A4 2.0L Hesitation, Surge, Stall, Misfire VIN: WAUAF78E07
Who may have the right data for cam/crank wave form for this engine. See picture of event. Trouble codes: P0016
2005 Cadillac CTS 2.8L No Start VIN: 1G6DM56T25
This car has been in mt shop way too long! It came in and the customer said it lost power a quit. I diagnosed it and found out it broke the right bank intake cam and gear and bent a bunch of valves. Long story short, customer wanted a used engine put in. I fou...
1994 Chevrolet S10 Blazer Tahoe 4.3L fuse VIN: 1GNDT13W5R
I'm sure this issue has been posted before but I'm not a premium member so i don't have access to the search function. This truck blew the 20 amp gauge fuse when it hit a bump. Since then, it will randomly blow when driving. I can make it blow by power braking...
2001 Chevrolet S10 4.3L No Start VIN: 1GCDT13E51
Thanks in advanced for all the help. This truck came in on the hook with a no start condition. It seems like a fuel pump to me, but their are some things that are making me nervous. The fuel pressure is 54 PSI which it too low, but when I spray carb Cleaner in...
2005 Chevrolet Silverado 1500 4.8L Mechanical VIN: 1GCEC19V05
Vehicle was brought in this morning for a miss. Isolated it to cylinder #4. Pulled valve covers off because of low compression and found that the intake rocker arm was barely moving. Pulled the rocker arm off and found a bent pushrod on this cylinder intake si...
2006 Chevrolet Tahoe Z71 5.3L First,second, third, and drive. Reverse works VIN: 1GNEK13T16
Vehicle has no codes. Trans only works in reverse but sometimes if it's in drive in will try to move forward and bucks a little like it's locking up. Just want to see if you guys think there is anything I should check first before I call a trans. Was also low ...
2005 Chrysler PT Cruiser Touring 2.4L Stall VIN: 3C3AY55E85
Hi Techs. I hope someone came across this problem.I have the 05 PT cruiser towed to the shop, no start, no communication to ECM. I first checked the fuse number 13( for ASD relay and other components like injectors,fuel pump relay, Ignition coil, ECM, noise su...
2007 Chrysler 300 Limited 3.5L No Start VIN: 2C3KA53G37
Hi this car cranks ok no spark at any coils has injector pulse, asd voltage at coils ,crank signal is present at ecm all data looks good thanks for any help
2009 Chrysler 300 Touring 3.5L Misfire, MIL Lamp on VIN: 2C3LA53V29
This vehicle occasionally will set a P0300 (since timing belt install). Plenty of power, idle is a little rough. There are no marks on the harmonic balancer (timing marks or otherwise) and no keyway, or key. (unless I'm blind) If I am, please tell me, and I'll... Trouble codes: P0300 (Random Misfire)
2002 Dodge Stratus R/T 3.0L No Start VIN: 4B3AG52HX2
Cranks intermittently when cold, but drowns/floods front 3 spark plugs. When plugs are cleaned, will crank. Cts reading normal. Bario pressure 29.2 at idle. Vaf sensor 38hz at idle (sometimes, if unplugged, then cranks). Fuel pressure good. Has cranking and ca...
2005 Dodge Ram 2500 SLT 5.7L continues to pull VIN: 3D7KS28C95
Before I get started this is a 2005 Dodge Ram 2500 Diesel 5.9l 24 Valve Automatic transmission, it is a 48RE The VIN function has it listed as a 5.7L gas burner. I input the correct vin in this program but I can't help what came out. The transmission will bu...
2008 Dodge Ram 1500 ST 4.7L oil pressure VIN: 1D7HU18N28
I'm still gettimg low oil pressure at idle and a tapping noise like it is getting no oil,I need my fellow techs to help me in this problem.
1988 Ford F-150 Custom 4.9L Hesitation, Stall, Hard Start Cold VIN: 2FTEF15Y6J
The vehicle has been at my shop for about 1 month. I originally checked it out for inspection and replaced a leaking gas tank. The customer tok the vehicle home and it would not start the next day. a few days later I went over and got the vehicle (It started f...
2000 Ford Ranger XL 3.0L Cylinder heads VIN: 1FTYR14V6Y
Greetings techs, Here is a puzzle for you all. This truck came in with an overheated engine, both head gaskets were blown. I bought a pair new loaded cylinder heads (Chinese) I am told the after market does not make them in the U.S. anymore. Anyway the intake ...
2001 Ford F-250 Super Duty Lariat 7.3L Surge, Cuts out, Misfire VIN: 1FTNX21F01
I got a good on here guys and girls I have been working on 7.3 for over ten years and have never ran in to this this truck has been maintained not good have found several problems and have fixed them but still runs the same way only time it runs good is over 3...
2003 Ford Focus ZX3 2.0L Air Bag VIN: 3FAFP31373
The old module had a code 51 internal thermal fuse blown so I opted to buy another cheap module with same part # from ebay for $25. Now the light is on continuously and never blinks. The fault code list says that this means "Diagnostic Trouble Code Timed Out, ...
2004 Ford F-550 Super Duty Lariat 6.0L oil in coolant VIN: 1FDAF57P44
I have this 6.0l ford with oil in coolant checked oil cooler and was bad replaced but having issue with getting oil out of cooling system any help would be great.
2004 Ford Explorer Sport Trac XLT 4.0L oil leak VIN: 1FMZU67K94
This truck was brougth to me because of an oil leak problem that developed around the rear main seal-oil pan area,so i steam cleaned very well,then,i added engine oil dye,went for a test drive (about a 10 mile drive),came back to the shop and with a UV test li...
2005 Ford F-150 FX4 5.4L No Start VIN: 1FTPX04585
after initial procedures to determine cause, we remove front engine cover and valve covers, found as suspected LH chain tensioner and guide BROKEN in little pieces...removed rest of timing chain components, replaced all 4 guides, tensioners, vct gears, solenio...
2005 Ford F-350 Super Duty King Ranch 6.0L Excessive Emissions, Hesitation, Cuts out, Stall, Misfire VIN: 1FTWW30P45
I have this F350 with a 6.0 litre. Came in for lack of power and grey smoke under load. There was no codes stored in the pcm. Checking the cylinder contribution while running, showed interesting results. Truck would idle ok, but if you rev it up in park , it w...
2008 Ford Mustang 4.0L engine VIN: 1ZVHT80N98
squeeking noise coming from engine.Sounds like front right side.Took belt off-no diff.Changes with rpm.-seems more prevalent when eng. warmed up.Sounds down in engine,alomst like a wrist pin.This is hard to believe with this low milage and no other problems.Sa...
2006 GMC Envoy SLT 4.2L No Start
First off, thank you greatly for reading this post and giving me your insight on how to fix this thing. I got a call from an older gentlemen this afternoon wanting to tow in a 2006 GMC Envoy 4.2L to my shop. He had it at another shop and they failed to fix it...
1995 Honda Civic DX 1.5L failed emisson test VIN: 2HGEJ2128S
o2 sensor reporting rich 1.33 does not get in close loop os sensor when created a vacuum leak here are the emission readings 15 m/h on dyne co2 11.21 02 1.43 hc 184ppm co4.61% this are at idle 25 mph co2 11.89 02 1.65 hc137 co 3.46% could you please guy give a...
1998 Honda CR-V LX 2.0L Take Off VIN: JHLRD184XW
I have a Honda CR V transmission with a strange problem. We rebuild it about 30k miles ago. The customer brought it back several times with the same complaint but it could not be duplicated. This time I made it mess up, After the SUV gets warm and you stop on ...
2002 Honda Accord Value Package 2.3L No Start VIN: 1HGCF866X2
This vehicle came in with a situation where it would start and run for a little and then get weak and die and be hard to start or simply not start. We seemed to have spark at the time then at one point it seemed like we were losing spark. The customer put a di...
2009 Honda Odyssey EX-L 3.5L Cylinder Heads VIN: 5FNRL38779
Just replaced timing belt, ran motor before installing front cover to check that all was good, ran fine,the crank key way vibrated out in the 3 seconds i had the engine running, and the motor stalled and bent valves on at least 3 cylinders. My question is, sho...
2004 Hyundai Sonata GLS 2.7L 4th gear VIN: KMHWF35H44
Hey guys thanks for the help beforehand. This car has a slight shudder in 4th gear mostly uphills.IT only does it every now and then. when it does it shudders for just a second and then shifts into 3rd gear and stays there until you cycle the key.I read on ide...
2000 Jaguar S-Type 3.0L Poor Idle Quality, Surge, MIL Lamp on VIN: SAJDA01C9Y
I have this Jag S-type. It came a broken breather hose under the intake. I replaced that, scanned the car and found it also had a P1386 VVT over advanced code. We did an oil change and used the recommended synthetic oil. cleared the cods and told the owner to ... Trouble codes: P1386 (VVT Over advanced-Bank 2)
2006 Jaguar X-Type Sport 3.0L Cooling Systems VIN: SAJWA51A66
Customer has had a problem with temp gauge in the red. This problem started a week ago. Very intermittent. Driving around the temp gauge is typically about 1/2. It will all of a sudden shout to hot. Pull over, turn car off and back on, temp is back to normal f...
2002 Jeep Grand Cherokee Limited 4.7L Low Vent Pressure VIN: 1J4GW58N52
So vehicle came in with a complaint of smelling coolant inside the vehicle, low pressure out of heating vents and blowing out floor, vent and defrost at the same time also has a vent code 52 for recet door open too large. Upon inspection of heater box found al...
2009 Land Rover LR2 HSE 3.2L Charging VIN: SALFT24N49
vehicle was towed in for no start! battery was dead, recharged and cleared out code. It started right up! after running for awhile battery light came on! checked alt. and there was on voltage, just battery and droping! replaced alternator, restarted vehicle an...
1992 Lexus SC400 4.0L Pps Ecu VIN: JT8UZ30C7N
Can't find the progressive power steering ECU, Mitchel shows RH foot well near Engine ECM and ABS, not there, looked under drivers dash also, not there. Vehicle man date 04/91 Any ideas please?
2002 Mercedes-Benz E320 3.2L SBC module VIN: WDB2110422
"Service Brake visit workshop" warning on. check brake found front brake pads worn down to the sensor. Replaced the front brake pads and sensors. We scanned the SBC system found code C249F, service threshold reached. Warranty for the hydraulic unit was over. W...
1993 Mercury Topaz GS 2.3L Surge, Cuts out VIN: 2MEPM36XXP
This vehicle stumbles, surges and cuts out at any speed and temperature but never when I have it. I fixed it once a year ago when I replace the EGR feedback pressure sensor and hose. Then I was able to get a code out of it then. Eight months later came back ...
2001 Nissan Sentra GXE 1.8L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 3N1CB51D41
Vehicle was brought in as a no start. After charging the battery, I checked the computer for codes after attempting to start vehicle. It had two hard codes for MAF and TPS. After doing some diag work, I determined the 5 volt reference voltage was missing from ... Trouble codes: P0355 (CKP Circuit Malfunction)
2004 Nissan Maxima SL 3.5L Hesitation, spark knock VIN: 1N4BA41E64
The car arrived 2.5 quarts low on oil. The oil was also filthy. I did an oil change with 0- 30 synthetic. The 2 codes were pending. I then cleared the codes and saved the scan data and freeze data. Driving the car, it has absolutely no power at all, and starts... Trouble codes: P0011 (valve timing B1), P0021 (valve timing B2)
2002 Oldsmobile Alero GX 2.2L Monitors won't reset VIN: 1G3NK52F12
GM techs or anyone with knowledge on why this Oldsmobile won't reset the computer monitors for oxygen sensor (O2 heater monitor ran immediately after repairs)and catalytic converter. I've driven this vehicle five times since repairs per Alldata specific to the...
2008 Other European Crafter 2.5L Diesel particulate filter VIN: WV1ZZZ2EZ8
Hello. My first helprequest. We have a 2,5 TDI VW Crafter with a Disel particulate filter(DPF) installed. The car was first brought in with the DPF light and the engine light on. Fault code on the DPF-filter malfunction (P2002) I tried to regenerate the filter...
2001 Saab 9-3 SE 2.0L rack and pinion VIN: YS3DF75K31
The rack was leaking from pinion shaft seal soaked the floor with fluid. Removed and replaced with rebuilt rack now steering wheel rocks left and right violently. If you hold the wheel with two hands it has about 50 to 75 pounds of force turning to lock positi...
2004 Subaru Impreza WRX STI 2.5L Poor Idle Quality, Hesitation, Surge, Cuts out VIN: JF1GD70614
Looking for help. Vehicle goes into limp mode with no pedal response. Over drive light flashes. Check wires and electronic throttle relay seem ok, not sure where to go next. Trouble codes: P2109 (Throttle pedal sensor A minium stop performance), P0638 (Throttle pedal range bank 1)
2000 Toyota Echo 1.5L Cooling Fan VIN: JTDBT1230Y
Thanks ahead for any help. We have a toyota echo that the cooling fan that will not operate when the vehicle temp reaches above 199f. The fan will operate with the ac on. We have replaced the temp switch in lower radiator (with toyota part) and same results. I...
2004 Volkswagen Golf R32 3.2L MIL Lamp on VIN: WVWKG61J04
OK everyone I need some help here. I have a 2004 GTI R32 that keep coming up with the same codes 18683 and 19711. I already replaced the Oxygen sensor, I also checked for good continuity from ECM to the oxygen sensor connector. The interesting part is the it t... Trouble codes: 18683 (Oxygen Lambda Sensor B1 S1 Negative Lead Open Circuit), 19711 (Oxygen Sensor B1 S1 Heating Circuit Regulation at Upper Limit)
2005 Volkswagen Jetta GL 2.0L Cuts out, MIL Lamp on VIN: 3VWRA69M65
Evening VW techs, Jetta was brought in for a water pump leak, which went well but after the test drive we noticed the MIL was on and the engine would not go above 3000 rpms. after talking to the customer she said the car was acting like this before we did the...
2004 Volvo XC90 T6 2.9L Unknown VIN: YV1CZ91HX4
hi guys need some help i have this 2004 volvo 2004 xc90 am trying to reset the parking brake .there is no adjuster in the cable and under the console .i look on all data the reset the procedure i still cant get it any help thank you guys

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 Acura MDX Touring 3.5L Misfire, MIL Lamp on VIN: 2HNYD189X3
This one is fixed,rechecked cam timing ok, wasn't clear on the original post but I did check the valve clearance on all cylinders.Checked for valve contact on the pistons with Borescope, also did a leak down test all cyls,ok. Pressure tested cooling system ove... Trouble codes: P0305 (Cylinder 5 misfire), P0301 (Cylinder 1 misfire), P0302 (Cylinder 2 misfire), P0303 (Cylinder 3 misfire), P0304 (Cylinder 4 misfire), P0306 (Cylinder 6 misfire).
2003 Audi A4 Quattro 3.0L No Start, Stall VIN: WAULT68E23
Many thanks for the 3 replies to my post for help! The crank sensor was the problem. It's located on the left side of the motor and actually is mounted in the bell housing. Someone had been into this job before I suspect they had replaced the Trans. Anyway the...
2005 Audi A4 3.0L Cam Timing VIN: WAULT68EX5
Thank you for the replies! It is fixed. It only made sense that my timing was off considering I had just done the timing belt. This time I followed the service and repair procedure to a "T". Locking the cams, loosening the phasers, tensioning the eccentric the...
1991 BMW 318is 1.8L Timing Chain VIN: WBAAF9312M
2002 BMW 325i 2.5L MIL Lamp on VIN: WBAET37402
I guess I will call this one fixed. I checked the crankcase vacuum it was ok. My service adviser decided to send it across the street to the BMW dealer. They reprogrammed the ECM and this apparently fixed it. I don't know what the reasoning for this is he did ... Trouble codes: D3 (Idle Air Control Valve mechanically stuck).
2003 Cadillac CTS 3.2L MIL Lamp on VIN: 1G6DM57N33
Got a new cam sensor from the dealer-fixed it-scoped the new cam sensor-pattern looked the same as the old one??-must have been something in the signal the pcm did not like-Thanks for all the help Trouble codes: P0341 (Cam sensor error).
1988 Chevrolet K2500 Cheyenne 5.7L Hesitation VIN: 1GCFK24KXJ
Been so busy...many techs referred to fuel pressure as a critical point of interest. The actual culprit was the amount of fuel flow. Found this by trying to measure the fuel volume and it came up short of the specs. Once again, the basic diagnostic procedure w...
2003 Chevrolet Impala 3.4L Hesitation, Noise on accel VIN: 2G1WF52E43
Thanks to everyone that replied, I replaced the cat converter, o2 sensors, resonator pipe and muffler. Car is showing a nite and day difference. Runs much better. Thanks again folks
2004 Chevrolet Silverado 2500 HD 6.6L Fuel Pressure VIN: 1GCHK23284
thank you for all the replies. i know we got a lot of recommendations to not install the banks system but customer did insist and would take the risk. first off we replaced the pressure regulator and check vehicle operation again. the pressure was now stab...
2007 Chevrolet Impala LT 3.9L Unknown VIN: 2G1WC58R27
Thanks to all that replied. The PS fixed the problem so far. But there is one thing I'd like to share with everyone...If you bid this fix be sure to include a new side cover in your price. Got to the last bolt on the bottom and the thing cracked at the boss. C...
2005 Dodge Ram 3500 SLT 5.9L 1-2 shift VIN: 3D7MS48C15
Fixed. Good thing too because I guaranteed that it would before replacement of part or no payment. I would have kept my word if it didn't. Once the solenoid and pressure sensor were in I instantly knew something was better because my act vs desired gov. pre...
2000 Ford Mustang GT 4.6L Clutch VIN: 1FAFP42X6Y
This Mustang is Fixed! Thanks to Mario and Troy for their suggestions. The solution was two fold. In hindsight we just went about fixing the problem backwards. The problem was the clutch. If we would have just replaced the clutch we would have fixed the p...
2001 Ford Windstar 3.8L injector VIN: 2FTZA54411
Computer was bad. Replaced it and now back to diagnosing that dead cylinder. Thanks for everyone's help!
2004 Ford F-150 STX 4.6L Module VIN: 1FTRX12W14
Thanks for the replies guys. Just went to a salvage yard and removed the harness that we needed. The design on the connection location is very poor. The module connection faces up so any water that gets by the seal just sits inside. This one had multiple t...
1997 GMC C2500 Sierra SL 5.7L MIL Lamp on VIN: 1GTGC24R9V
Thanks Troy for that lead, it appears that company no longer operates but did leave behind some information. I was unable to match my system to what they had. Doug, Thank you, That was the way I attacked this today, I was unable to locate any schematics but d...
2001 GMC Sierra 2500 HD SLT 8.1L blend door VIN: 1GTHK23691
Well this one is still not fixed. Need to close the request due to time. If I would happen to come up with a fix I will post it. Thanks for all the replies.
2004 Hyundai Elantra GLS 2.0L Pump pulley VIN: KMHDN46D54
I got the new pulley for steering pump. Pump pulley would still lock up. I realized water pump pulley would stop as well. Then I realized adjustment bolt for alternator belt was stripped out. This was the problem. Alternator belt was not tight enough. Lo...
2005 Land Rover LR3 SE 4.4L Hesitation, Stall, Poor Fuel Economy, MIL Lamp on VIN: SALAD25435
You know that feeling you get when a difficult problem gets resolved? Yeah, I got that. Fit a new fuel pump module with pressure regulator-FYI does not come with a new access panel seal and special clamp, Land Rover p/n [...], $55 cost-and pressure now 6... Trouble codes: 0171 (Mix adaptation lean bank 1), P0174.
2001 Mercedes-Benz C240 2.6L instrument cluster VIN: WDBRF61J31
Thanks for your help on this...I got the cluster back from the guys that fixed the display who said it had no draw on their bench. They were right...Pedro suggested checking the ambient temp sensor and sure enough I had a code B1045 in the front sam for open l...
1995 Pontiac Grand Am SE 3.1L Poor Idle Quality, Surge, Cuts out, High idle when cold VIN: 1G2NE55M0S
Well, I'm calling this one a wrap finally! It looks like it was a combination of two things. After the last PCM I installed, it would set a code 22 for the TPS. Still skeptical and not wanting to toss parts on it, I drove it for a while. Sometimes it would be... Trouble codes: 86 (Internal ECM error), 87 (EEPROM error), 44 (Lean exhaust), 45 (Rich exhaust), 33 (Map circuit high), 34 (Map circuit low).
2003 Saturn Vue 3.0L TCC lockup VIN: 5GZCZ63B13
Finally got this Saturn fixed with a new TCM and somebody that could flash it correctly.I've never been a big fan of used modules, but I know people who do it-Usually the customer trying to save money.I thank everyone who offered their opinion and we used that...
2005 Subaru Legacy GT 2.5L Poor Idle Quality, Stall, MIL Lamp on VIN: 4S3BL68675
Replaced throttle pedal asm. per responses.Cleared codes and road tested veh.This fixed veh.Thank you all very much for the help.Mark Trouble codes: P2138.
2009 Volkswagen Passat Komfort 2.0L back up light VIN: WVWAK73C79
The problem was the electrical unit(09)i speaker with the costumer and we decide to by-pass the electrical module by taking the reverse output from the range switch and with a relay (for not loadind the switch)get the wirel of the b/u ligot at the unit and th...
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