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Prev Professional Automotive Repair Technical Discussions for July 28, 2015
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
2010 Audi S4 3.0L #6 Cylinder VIN: WAUDGBFL1A
Brought in for loosing antifreeze-pressure test-found coolant in #6 cylinder-lots-started to pull head-found #6 ^ intake valves are washed clean-all others have carbon deposits as normal-coolant looks like coming from above-possibly supercharger cooler? anyone...
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2004 BMW 530i 3.0L compressor VIN: WBANA73544
Owner rarely drives this pristine 530i and maintains it meticulousy, only has 47k miles. Owner suggested I recharge his a/c and I was willing to agree untill I saw the head pressures, at an idle the low side surges between 58-60 psi and the high side stays fai...
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2005 BMW 645Ci 4.4L MIL Lamp on VIN: WBAEH73425
Got a new one for me. This car came in with a harsh shift complaint. When the car first arrived, we noted the engine light was on with misfire cylinder 3 stored. Replaced ignition coil, all is well. Transmission shifts harshly from 1 to 2 so we did a service a...
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2006 BMW 325xi 3.0L Poor Idle Quality VIN: WBAVD13526
The customer's complaint is intermittent rough idle. Verified the problem. The is an infrequent misfire at idle. The engine has to be warm. It will happen with the vehicle in park, but happens much more with the vehicle in gear. It's a single misfire ever 3-5...
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2006 BMW 750Li 4.8L Park distance control VIN: WBAHN83536
Car has the code 9e3b supply ultrasonic sensors with the description short to ground. All data has nothing other than a hard to find wiring diagram and the location of module. Center connector had the slightest bit of corrosion present. Cleaned with no change....
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1992 Buick Park Avenue 3.8L No Start VIN: 1G4CW53L5N
Does anyone have a color coded wiring diagram for this car? I need the wiring for the ignition to module plug. This one has a thirteen wire plug. My alldata doesn't show a very good one. Any help would be a big help. Thanks to all.
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2002 Cadillac Escalade EXT 6.0L fuel pump/ing.coils VIN: 1GYEK63N52
vehicle come in on flat bed cust.states vehicle will start then shuts off immediately,cust.had vehicle at another shop once before for same problem vehicle was fixed and ran for about three days,problem started again.checked wireing harness relays fuses no cod...
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1996 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13W5T
ok no start but cranks ok/no data link with scan tool/i can get it to run if i jump power to orange wire to ecm/and pink to ign feed then it will start and run also i have ground at pin 17 and 18 at c3 gray vcm connector it has all new ign parts but not dis it...
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2001 Chevrolet Express 1500 4.3L No Start VIN: 1GCFG15W21
van came in no crank no start, replaced starter, became crank no start. fixed shorted ignition signals and replaced ignition switch. Now I have a crank no start on the first key cycle, only when cold. After that starts everytime, when the crank no start occurs...
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2008 Chevrolet Tahoe LTZ 5.3L Starting VIN: 1GNFK13018
Ok GM Guys Got a good one for you here, Thanks in advance for the help! This 2008 Tahoe got towed in with a no crank no start. Hooked up the scanner and could not access the ECM, TCM, BCM, ABS, 4WD Computers they may be others, so I I Checked power and grounds...
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1996 Chrysler LHS 3.5L MIL Lamp on VIN: 2C3HC56F9T
Good afternoon,,, customer came in for a check engine light on but car runs fine. Code is a 1696 computer manufacture code, further looking into this code says that some one was trying to rewrite the eeprom in the computer program but the light came on at mid ... Trouble codes: 1696 (denied eeprom writ)
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2005 Dodge Ram 2500 Laramie 5.9L recirc door VIN: 3D7KS28C45
hi all,my own personal truck and i am a honda mechanic.so the recirc vent door broke off and fell in the blower fan.ordered parts from dealer and replaced the vent door and motor.but when i did i noticed i couldnt clock the vent door on the motor to close shut...
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2006 Dodge Charger 2.7L No Start VIN: 2B3KA43R66
This one reminds me of an old employee, He was a "little" weird. When I go to start this fine Chry. product, it won't start. The theft light is on. But then only with the key on I can remove the trans/engine relay (This is not the ASD relay) plug it back in an...
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2007 Dodge Caliber SE 2.0L Electronic VIN: 1B3HB28B27
No ac compressor operation. I have request I can watch on scanner. I have no power to compressor with system on. I have no codes. Scanner - snap on motis - tells me I have no ac relay activation? This system has no relay. At a complete loss. We did disconnect ...
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2003 Ford Taurus SE 3.0L all windows VIN: 1FAFP53U13
All 4 windows work when they want too, replaced master switch, system operated 3 days, today stopped working went to lunch started working again. removed boot in door jamb looked for severed wires, I am suspecting GEM at this point ? or maybe fuse box area ? ...
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2006 Ford Explorer Eddie Bauer 4.6L Poor Idle Quality, Stall VIN: 1FMEU74856
Vehicle Was Running Rich, & Stalling, Replaced Fuel Rail Pressure Sensor & Reset Control Unit. Vehicle Runs Great Now But P0642 Keeps Returning, NO Listing Under 2006 Ford For This Code. It's Listed Under 2007 & Shows Pinpoint Tests Pinning Out EVERY Sensor, D... Trouble codes: P0191 (Fuel Rail Pressure Sensor), P0642 (Sensoe Reference Voltage A Low)
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2007 Ford E-250 4.6L Unknown VIN: 1FTNS24W47
Replaced compressor, dryer, orifice tube based on Diag of low pressures and only cool air. 70 vent temp before and after repairs. At idle psi 50/200 @95 degrees outdoors. 1500-1800 rpm psi 35/225. Vent temp will drop to 65 after several minute of high idle. Ad...
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2012 Ford Edge SEL 2.0L Left Blend Door VIN: 2FMDK3J95C
This car has DEATC system - came in for left side vents blowing hot - and can not control - I checked for codes in all modules - none - I was able to get the left side operating by clearing the codes (even though there were none) and then performing the koeo t...
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2000 GMC C3500 Sierra SL 7.4L Reverse VIN: 1GDKC34J5Y
This transmission works great until the trans temp reaches 180 to 200 degrees. The trans shift just fine and the TCC works correctly but once warm you can put it in reverse its fine until you hit the gas the it acts like the Tcc locks up and The engine stalls....
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2012 GMC Savana 3500 LS 6.0L MIL Lamp on VIN: 1GJZ7ZFG4C
Any help appreciated, Code P1682, No information at all in Alldata. No symptoms other than Reduced Power indicator on. Trouble codes: P1682 (Ignition 1 switch circuit 2)
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1993 Honda Accord EX 2.2L No Start VIN: JHMCB7679P
hello to all, i have a 1993 honda accord 2.2l no spark, no injector pulse and cel does not come on with key in the on position. tried new main relay no help. also put a distributor in cause had no pulse to coil, still no help. cust says vehicle died on freeway...
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1997 Honda Civic DX 1.6L Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: 2HGEJ6629V
Customer complains of intermittent stalling and rough idle. We cannot duplicate the issue, but I believe I see a clue to the problem. LTFT is 3 STFT at idle is 16+. As soon as you come off idle the STFT heads down to a respectable number that being under 5. Id... Trouble codes: P0301, P0302
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2006 Honda Odyssey EX 3.5L CAN system VIN: 5FNRL387X6
Customer states car wouldnt start after he charged the battery. Towed here, and we only have communication with the ABS system. CAN system is down except for ABS. ABS codes are 61-1 (Battery voltage failure), 62-1 (Battery voltage high), and 86-1 (can relation...
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2008 Hyundai Tiburon GS 2.0L compressor VIN: KMHHM66DX8
This car rolled in with an Ac problem:what happens is that after the Ac running for a good while,it turn off by it self(it has a miind of its on) and then after a while (10 minutes more or less)it comes back on. i have replaced the termistor,and then the 3 wir...
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2003 Jeep Liberty Sport 3.7L Hesitation, Misfire, MIL Lamp on VIN: 1J4GL48K63
Ok here goes . This Jeep has misfires on the same bank as well as lean codes . The truck runs ok except a very slight hesitation on take off. The LT fuel trim is right at 32+ on both banks . If I clear the memory the fuel trim climbs right back up within a few... Trouble codes: P0302, P0304, P0306, P0171, P0174
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2012 Land Rover LR4 HSE 5.0L Unknown VIN: SALAK2D42C
Intermittent check engine light coming on and off. Codes in history. p0133 universal heated exhaust gas sesnor - Circuit Slow response (Bank 1 Sensor 1). p0153 Unversal heated exhaust gas oxygen sensor - Circuit slow response (Bank 2 Sensor 1). p0172 system to...
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1996 Lincoln Town Car Anniversary 4.6L Obd ii monitors inc VIN: 1LNLM82W0T
Complaint from customer was it will not pass emission due to incomplete readiness tests. O2 sensor, O2 sensor heater and catalyst. He drove it for months and hundreds of miles it would not reset. He brought it to us for help April of 2015. We checked the o2 se... Trouble codes: P1000 (Monitors not run)
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2003 Mercedes-Benz S430 4.3L Temperature VIN: WDBNG70J03
This is a very intermittent problem. Symptoms are as follows: A/C will be functioning perfectly with zero problems and cold. While driving, the air flow will be diverted away from the vents to the floor and at that point the air temperature will be outside amb...
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2006 Mitsubishi Eclipse GS 2.4L timing belt VIN: 4A3AK24F86
Hey guys thanks on this one cause its driving me mad.This is my uncles car so i pray you guys can help me get out of this hole im in. this is gonna be long but bear with me. Two years ago the tbelt shredded teeth on this car and luckily didnt get the valves so...
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1999 Volkswagen EuroVan MV 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WV2MH270XX
Hopefully someone out there can help with this headache. Things been eating my lunch for a couple of days now. Vehicle came in with a p0303 and p1215. So did all the prelim checks vacuum, fuel and spark. had good spark to #3 and fuel and vacuum were good als... Trouble codes: P0300 (random misfire), P0301 (Cylinder 1 misfire)
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2006 Volkswagen Passat 2.0T 2.0L shifter VIN: WVWAK93C36
We are unable to find any test details or procedures. We have been told there should not be any programming or relearn but not sure. Wiring all appears to be ok. If shifter is unplugged and plugged back in it will work for a moment.
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2004 Volvo XC90 T6 2.9L oil leak, pcv press. VIN: YV1CZ91H14
I'm an ex Volvo tech with a good amount of experience performing these breather box services with no trouble, so this vehicle comes as quite a surprise. I commonly suggest this service for problems ranging from excessive oil leaks, smoking exhaust, and drivabi...
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2013 Volvo XC70 3.2 3.2L monitor not running VIN: YV4952BZ0D
unusual that the o2 sensor monitor did not run to completion but the cat did. Need to find out why? Vehicle has been driven a lot. Can't find anything on all data or direct hit. I suspect a flash may be needed and called the nearest dealer to find ,no help.
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 Buick Century Custom 3.1L Surge, Cuts out VIN: 2G4WS52J91
seth from new york hit the nail on the head.crank shaft pulley had been replaced by another shop with an aftermarket part. compared to a/c delco part and reluctor ring half a window out of time.why no crank position codes i have no answer. thanks for all repli...
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1999 Chevrolet C1500 LS 5.0L No Start, MIL Lamp on VIN: 1GCEC19M8X
Well,Dave pointed me in the right direction & Tim convinced me to follow it to the end.Truck is fixed & won't be back for the same problem (4 times to date).What kicks my butt is the bypass cost more than a new replacement module (that is back ordered since Ma... Trouble codes: P1626 (VTD data missing), U1192 (VTD module data loss).
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2007 Chevrolet Suburban 1500 Z71 5.3L coolant reservoir VIN: 3GNFK163X7
Thanks for all the input, this is a good one guys never seen before. Metal chunk came off the camshaft #8 cylinder, embedded itself with the lifter into the block,was unable to remove the damaged lifter and suspect there maybe damage internally in the block al...
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2011 Chevrolet Cruze LT 1.4L cams VIN: 1G1PF5S92B
cams gears chains crank exciters were all marked when I tore cams down set tdc cam timing made a tool for exciters locked it all down vehicle had 135 lbs compression started run vehicle no codes released vehicle to customer
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2006 Chrysler 300 C SRT8 6.1L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 2C3LA73W56
This vehicle ended up at the local Dodge dealer. They reflashed the PCM and TCM to no avail, checked all wiring and spent two weeks with this car before calling Chrysler tech department, the engineer there told them to replace the PCM - Done, didn't correct. R... Trouble codes: P0700 (TCM MIL Request), U0100 (TCM ABS CGWM ESM Lost communication with PCM), U0101 (ABS CGWM Lost communication with TCM), U0019 (Can B Bus DDM PDMICMSCM SunRM), U0025 (CAN B Bus - low MSM OCM), U0155 (SCM lost communication with cluster).
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2007 Dodge Ram 2500 TRX4 5.9L Governer Pressure Transducer(sensor) VIN: 1D7KS28C47
I believe this truck is finally fixed. The problem was the factory governer pressure sensor. Chrysler is apparently manufacturing this piece off-shore somewhere. The quality is not up to standard. I did install the BD Diesel upgrade kit as some of the replies ...
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2008 Dodge Ram 2500 SLT 6.7L transfer case VIN: 3D7KS28A98
Well unhooked radio and customer drove 3 days before symptom returned. Very intermittent have had suggestions of loose pins at module and transfer case will further investigate. Will post or update if I find out what is going on. Really hard to isolate since i...
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2009 Dodge Charger SE 2.7L Poor Idle Quality, Misfire VIN: 2B3KA43D19
After several tests suggested I found a faulty injector. Replaced and so far so good. Thank you everyone Trouble codes: 304 (cylinder 4 misfire).
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2002 Ford Taurus SEL 3.0L tcc
Thanks for all the help as some suspected it was the PCM! When I condemned the PCM, the customer said the dealer had installed one less than a year ago. So Ford warranted it and all is well. ~Cheers~
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2003 Ford Taurus SE 3.0L Battery VIN: 1FAFP53U43
thanks for the help keep getting 5to 10 amp draw wanted to check smart box but no one gave a location. ford sent over a indicator module . was not correct,had thought it was fuse block but was looking for confirmation .thanks for help
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2003 Ford Explorer XLT 4.6L engine VIN: 1FMZU73W73
Hey guys, Thanks for all the replies. This was one of these shoot ourselves in the foot deals. Luckily, it wasn't as bad as we thought. Fuse 41 in the underhood fuse box had blown. Fuse 41 is hot in run or start. 41 is power to the switched side of the P...
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2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L h.p. oil system VIN: 1FTNW21P24
Well Glenn from Texas almost nailed on the head. it was a wire/pin issue. After I double checked the new harness that was installed by another shop. i check for 12v at the ipr connector and it was sketchy. So i pulled the pcm harness and lock and took another ...
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2006 Ford Escape XLT 3.0L Front engine rattle VIN: 1FMYU93106
Replaced timing chain and guides. Works good now. The noise when right through the engine to cylinder #6.
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2012 Ford F-150 XL 3.7L radio VIN: M2DKD45999
NEW RADIO FIXED THE PROBLEM INSTALLED USED RADIO AND REPROGAM IT...
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2001 GMC Savana 2500 5.7L Misfire, MIL Lamp on VIN: 1GTGG29R31
This van I believe needs a PCM. I could not get the crank learn to reset with 2 scanners including a Tech 2. The customer is deciding how much they want to spend on it. Thanks for all the help. Trouble codes: P0335, P0300.
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2004 Isuzu Ascender LS 4.2L Compressor VIN: 4NUDS13SX4
Joe from Tennessee was on the money! I don't know why, but the system would not take all the refrigerant with the engine running. I used cans instead of the bottle just because it was easier to heat. I tapped the cans turned them upside down and used a heat...
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2004 Jeep Liberty Limited 3.7L MIL Lamp on VIN: 1J4GL58K14
Thanks to all who replied, many of you were right, I bought a OE sensor and installed it, cleared the codes and relearned, test drive. All is good. Will drive in the morning and give back to the customer. Thanks again to all the responded, It was nice to have ... Trouble codes: P0141.
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2008 Jeep Patriot Sport 2.4L Starting VIN: 1J8FT28W28
CUSTOMER TRIED OTHER KEYS , NO DIFFERENT. FOLLOWING DAY NO SYMPTOMS AT ALL. CUSTOMER IS GOING TO USE IT FOR AWHILE & RETURN WHEN PROBLEM GETS WORSE OR MORE CONSISTANT. THANKS FOR THE REPLIES
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2013 Nissan Altima 2.5L compressor VIN: 1N4AL3AP9D
thanks guys, this a/c system would work sometimes and not others .I think Al and Thomas were right about the ecv maybe being the problem . I checked the power and ground at the valve,i had power and applied ground to the other wire, with no change in pumping a...
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1998 Plymouth Breeze 2.0L Poor Idle Quality, MIL Lamp on VIN: 1P3EJ46C6W
MY CUSTOMER IS STILL DECIDING IF HE WANTS TO GO FOR THE PCM.THE CAR HAS RUST ISSUES THAT COULD BE AN ISSUE AT INSPECTION TIME(IN 2 MONTHS).THANKS TO AL [...] WHO ANSWERED MY POST. Trouble codes: P0172 (System rich), P0403 (Egr systemnot as expected).
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