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Prev Professional Automotive Repair Technical Discussions for August 22, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Help Request Answers
2004 Audi A4 Quattro 1.8L Poor Idle Quality, Surge VIN: WAULC68E04
After the head job was done the car now overboosts a lot. Customer has a digital boost gauge in the car reading off the intake manifold directly. I verified its operation against a mechanical one and they read the same. customer stated the car would always max... Trouble codes: 16795 (seconday air injection system incorrect flow detected), 16396 (bank 1 - camshaft Aintake advanced set point not reached over retarded)
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2001 BMW 325i 2.5L Temperature Gauge VIN: WBAAW33471
Vehicle came in for 02 codes. Flashed ECU with Autologic per BMW TSB to address those codes. Customer brought car back in 2 days later stating the vehicle overheated and the temp gauge went to full red. Got vehicle and confirmed it was not overheating. Did not...
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2006 Buick Lucerne CXS 4.6L drivers front window VIN: 1G4HE57Y16
hi car came in with window inop. I then pulled the door panel to test for power and grounds when I back probe the wires going to the motor I get 6 volts on each of them and a ground is sent from the switch when actuated. I replaced the window motor just in ca...
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1998 Chevrolet S10 LS 2.2L No power VIN: 1GCCS1941W
Customer was driving down highway and truck began to lose power. He barely got it home. Engine had begun to knock in bottom end. Replaced engine with used know good one and same problem of low power is still there. Feels like lack of ignition timing, timing pi...
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2005 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 1G1JC52F75
this cavalier has a reoccureing evap code for large leak, simple right?, hooked up my smoke machine, found nothing, can cycle both the vent and purge valves with scanner to produce leaks then close them to shut the system tight, fuel tank pressure is reading g...
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2007 Chevrolet Tahoe LTZ 5.3L abs VIN: 1GNFK13037
truck came in with the abs and stability warning lights on. code c0035 stored in memory , found a worn out l/f hub and bearing. replaced hub assembly and a worn out upper ball joint. cleared codes and rechecked . all good, returned to customer. abs and stabili...
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2005 Dodge Magnum R/T 5.7L control head VIN: 2D8GV58265
Customer brought car in with no cool air coming from vents and a/c light flashing for a couple of seconds and then a/c light goes out and compressor stayed on. Hooked up gauges and system has Freon but no pressure changes when a/c compressor is on. Scanned for...
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2005 Dodge Durango SLT 4.7L unknown VIN: 1D8HB48N65
What gives with this truck? Pressures seem right for this 98 degree weateher, 270/45, but low side hose is extremely hot. No cooling in cabin. This truck has dual air. High side pressure comes down to 240 when I add a mist of water to the condenser, low side d...
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2004 Ford Expedition XLT 4.6L Speedometer VIN: 1FMRU15W24
Friends I've run aground on this one. A shop called me in to diagnose a trans not shifting and speedo in-opp after installing a transmission and a IC (both problems where there before the change). I programmed the IC using as built data, but still no speedo. T...
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2005 Ford F-150 King Ranch 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTPW12575
this truck had a slight miss under load. i replaced all plugs and coil boots..now it has NO power and it feels like #2 bank is not firing (barely runs() it was 2 qts low on oil so i ADDED oil. that all i did. btw all plugs came out with no breakage(thats rare)... Trouble codes: P0305
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2007 Ford Taurus SE 3.0L Poor Idle Quality, Surge VIN: 1FAFP53U47
Hello iATN, I have been working on this car for a few days now and have reached my wits end a few days ago. The customer had complained that the car was surging ahead at traffic lights with the A/C on. I initially noticed that it had a high/erratic idle, wo...
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2007 Ford Explorer XLT 4.0L convertor VIN: 1FMEU73E17
been fighting a code p0741 all day, torque convertor will not completely lock up, best is 100 rpm slip. i initially replaced the solenoid, then cleaned the valve body, then replaced the torque convertor. please help. fluid was clean and no issues found in valv...
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2001 GMC Sierra 1500 SL 4.3L Misfire, MIL Lamp on VIN: 1GTEC14W11
hi every body, I have this gmc truck coming from other shop, they replaced all the parts mentioned before, misfire on cylinders 1 & 4 still present, checked compression on all cylinders, there are 145 psi on each, also run a leak down test, all cylinders are u... Trouble codes: P0300, P0301, P0304
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2008 Honda Accord EX 2.4L A/C Clutch VIN: JHMCP26838
First we thought it was a random miss. Found history misfires across all 4 plugs. Nothing current and no codes current or history. Then when customer returned we discovered that the problem happens when the a/c compressor cycles off after the car is warmed up....
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2009 Honda Civic EX 1.8L compressor VIN: 1HGFA16939
checked system operation test on scanner says ac switch is on but switch is off blower switch is off but compressor continues to run & fans run . no fault codes present , also tried new pressure switch no help. PLEASE HELP!
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1990 Isuzu NPR 3.9L Brakes VIN: JALB4B1H3L
yikes we have sixteen hours into this brake problem and no solution. this is a four wheel drum system. initially came in for brake inspection, but no reported braking issue. front shoes were nearly to metal. we performed complete front service including surfac...
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2000 Mazda Miata 1.8L MIL Lamp on
This car was sent to us originaly by the local mazda dealer to put another catalyst on the car, we executed the task and put a walker ultra fit obd 2 compliant catalyst on it. check engine light came back on after two short road trips with po420. then the rear... Trouble codes: P0420
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2002 Mercedes-Benz CLK430 4.3L Battery VIN: WDBLJ70G42
Hello fellow techs. This Mercedes has a battery drain that kills the battery over a three day period (according to the customer). I first checked for any interior lights remaining on and also checked the glove box and trunk light, which were turning off when c...
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2003 Mercedes-Benz CLK320 3.2L Rear Window Movement VIN: WDBLK65G73
Hey iatn friends! customer has come in after we just replaced the three position proximity switch located at the left roof mechanism. After the top has been opened. While attempting to close the rear cover unlocks and raises, the top lifts and moves freely thr...
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2003 Mercedes-Benz CLK320 3.2L warning light VIN: WDBLK65G73
This Car has just returned to our shop. The hydraulic convertable top operates normally but the control switch flickers, totally at random. No diagnostic codes to be found. The light only flickers when the roof is closed and locked. While monitoring scan data ...
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2004 Mercedes-Benz C240 2.6L limp home mode VIN: WDBRF81J24
this car will sporadically go into limp home mode. check engine light on. at times the fault (p2602) wont clear. other faults will clear. other times a simple cycle of the key brings it out of limp mode and it will shift. and other times all it will do is rev....
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2005 Mercedes-Benz S500 4Matic 5.0L ignition VIN: WDBNG84J45
Hello Benz techs,this 05 220 was under the rain outside with out the RR door, and rain got to the rear fuse box. The car was running, the back lights where out.The fuse box was partially melted. We put in a used unit, and all was well, drove it 10 miles and pa...
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1985 Oldsmobile Cutlass Ciera LS 2.5L Drivability VIN: 1G3AJ19RXF
Hi, I hope someone can offer help with this problem child car. 1985 Olds Cutlass Ciera 2.5L, came in with 13 O2 Sensor, 42 Electronic Spark Timing, and 35 Idle Air Control codes. The is very high, 2200 to 2400 RPM. Cleared codes and the only one to come back i...
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2000 Oldsmobile Intrigue GLS 3.5L affected item unknown VIN: 1G3WX52H6Y
HELP!!! This vehicle is driving me crazy. This is the second time that this vehicle is in for the same noise. Customer complains that when they are backing up with the steering wheel turned to either side, but not to a full stop, there is a loud clunk or metal...
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2002 Pontiac Aztek 3.4L fuel control VIN: 3G7DA03E02
cust called in a couple days earlier and stated that headlight stay on /then was towed in stating that it died going down the road . codes u1016,u1040,b1328,b1440,b2961 found a used bcm same part # installed but now have a u1000 no communication with bcm can a...
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1991 Toyota Pickup SR5 3.0L timing VIN: JT4VN93G1M
Gentlemen, This truck came to me with a lack of power complaint. The biggest problem was the air intake hose that was cracked and taped with electrical tape. That cured most of the power complaint. I checked the ignition timing, and found it was 14 degrees BTD...
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2003 Toyota Tundra 3.4L Steering VIN: 5TBJN32113
The customer has been trying to resolve this wheel vibration by installing new rims and tires, alignment, and leaf spring supports to raise the rear. I removed the rear lift spring and put it back to stock, rebalanced wheels and the steering wheel still shakes...
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2009 Volkswagen Jetta TDI 2.0L MIL Lamp on VIN: WVWZZZ1KZ9
Hi all had this vw jetta come in with fault codes p0088,p0087 rail pressure too high & too low.it had been to another workshop & they had fitted rail pressure sensor & fault sill returned .we checked codes & carried out guided fault finding on [...] & check... Trouble codes: P0088, P0087
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2006 Volvo XC70 2.5L Abs VIN: YV4SZ59226
hello everyone, I have this Volvo XC70 that has a 504mA battery draw, the previous tech installed a new abs module and the problem was gone for approximately 3 months. Well its back and setting a E003 configuration malfunction. According to all data this code ...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2008 Acura RDX 2.3L Hesitation, Misfire, MIL Lamp on VIN: 5J8TB18568
THANKS FOR ALL REPLYS, TO START I DID NOT HAVE ENOUGH TIME TO LOOK AT THIS ANYMORE SO MY SISTER TOOK IT TO DEALER AND THEY SAID IT NEEDS NEW SERPINTINE BELT, SPARK PLUGS AND VALVE ADJUSTMENT AND IT WOULD BE OVER $700.00 AND THIS MIGHT NOT FIX YOUR PROBLEM. SO ... Trouble codes: P0556, P15BA, P0302.
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2005 Audi A4 1.8L Inst.Cluster Headlight Washer VIN: WAULC68E15
THANK YOU STAN FROM PA GROUND G33 LOOSE.YOU COULD SEE SOMEONE WAS IN THERE AND THERE IT WAS.HAD I FOLLOWED ELECTRICAL DIAG.AND SAW WHAT WAS COMMON WITH THE EFFECTED ITEMS I MAY HAVE SEEN THIS. THANKS AGAIN
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1996 Chevrolet K2500 Cheyenne 5.7L No Start, Stall VIN: 1GCGK24R4T
this is fixed i found if i unpluged the tps it would start but tps was good so i checked 5v and it would spike .5v when it started so i looked what else used the same 5v and it was the map so replaced map all is good thanks for all replies
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2005 Chevrolet Trailblazer LS 4.2L P/S pump VIN: 1GNET16SX5
Flushed system again. Then Replaced the rack and pinion assy.Truck is fixed.
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2002 Dodge Durango SLT Plus 4.7L No Start VIN: 1B4HS58N12
Hi The car is not yet fixed pending if the owner wants to invest on another engine. I called around for prices and its up there in the bone yards,,, they quote me 1800 to 2100 for a used engine, And as for the problem that i asked for help, I found the old ... Trouble codes: 335 (crank sensor circuit).
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2007 Ford Freestyle SEL 3.0L Input Shaft O ring VIN: 1FMDK021X7
Thanks, Got the oring this morning, right one, but it likes a regular oring you'd find in a kit, just wasn't sure...Thanks Again!
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2007 Ford Focus SES 2.0L MIL Lamp on VIN: 1FAFP34N77
Again thanks everyone. It did turn out to be a defective egr valve. The ohm readings were way off on the new egr I bought from autozone. I bought one from dealership and the customer has had the vehicle since I last posted and told me she had no problems sinc...
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2003 GMC Sierra 2500 HD SLE 6.6L Excessive Emissions, No Start VIN: 1GTHK29153
Thank you all for the info. I installed 8 new bosch injectors. While in there, I resealed the cups and adjusted valve lash. The truck runs great, and oddly, I no longer see the pressure control solenoid "hangup" during down command. I dunno what was happening ...
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2004 GMC Sierra 1500 SLE 5.3L Mechanical VIN: 2GTEK19T64
FIRST OFF THANKS TO ALL WHO HELPED I FOUND A BROKEN WIRE IN THE HARNESS REPAIRED AND ALLSET
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2005 GMC Savana 2500 4.8L 1-2 Shift, 2-3 Shift, Converter Clutch VIN: 1GDGG25V65
Thanks to all that replied. We replaced the wiring harness and the vehicle drives fine and does not recode.
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2006 GMC Sierra 1500 WT 5.3L Rear Main Seal VIN: 2GTEK19B56
Thank you all who took time to response. Last night we removed the transmission and started it up. turns out the plate was cracked just above the rear main seal and it would pour right down onto the rear main seal. With the transmission in place you can not se...
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2002 Jeep Liberty Sport 3.7L No Start, Stall
thanks to everyone for your help it was the camshaft sensor, we first installed aftermarket sensor with same problem, then installed dealer sensor that fixed it, test drove several days with no problem, customer has driven 3 days and says its working good..
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2010 Mercedes-Benz Sprinter 3500 3.0L MIL Lamp on VIN: WDYPF1CC6A
Im apreciative of the replys i received. Thanks guys, iatn makes us all better techs. The fix on this one was the DEF dosing valve. Replaced, relearned and ready to go. thanks again. Trouble codes: 10610.
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2006 Toyota Tacoma 4.0L No Start VIN: 5TELU42N56
Sorry for taking so lomg to reply back. First I want to say thank you to all who gave advice. I ended up fixing truck by removing aftermarket remote start system. I was told it was removed by customer, but I found that it wasn't fully removed. I removed and... Trouble codes: B2799 (engine immobileizer system).
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2009 Volkswagen Jetta TDI 2.0L CAN bus VIN: 3VWTL71K89
Unfortunately, I was not able to fix the vehicle, I did however mitigate its obvious (to the driver) symptoms and informed him of such. Replies suggested CAN Gateway module, door harness, and grounds. I did check all grounds, they were all good. Did not fin...
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2007 Volvo XC90 V8 4.4L alternator VIN: YV4CZ85227
As most of replies indicated, the problem was a defective alt. Installing OEM alt from the dealer solved the signal from the alt, but we still had problem with the ecu. Xemodex repaired it and sent it back in a very timely manner. Down time was only 4 days w...
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