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Prev Professional Automotive Repair Technical Discussions for September 8, 2014
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Help Request Answers
2009 Acura TSX 2.4L Engine VIN: JH4CU254X9
Hey there, I have a cranks but no start condition. customer stated that they were drivng the vehicle, went into a store to shop, came back out and vehilce was a no start. Apparently they tryed to boost with no success. I have scoped Cam, Crank, injectors and c...
1999 Audi A4 2.8L Center dash vents VIN: WAUED28D4X
Whether AC on or off, the air output from dash center vents fluctuates greatly when air speed turned up, as if the blower speed is varying. I believe the air control door is opening & closing. No faults are showing in system using Autel. This is a clean car an...
2006 BMW 325i 3.0L window VIN: WBAVB13526
after replacing window regulator at the left rear window and initializing all windows that particular window does some weird stuff, like going up when the automatic switch is applied, but then y comes right back down as soon as it hits the closed position, and...
2002 Chevrolet Suburban 1500 LT 5.3L MIL Lamp on VIN: 3GNFK16T92
Here goes-My nightmare begain with "light has been on for two years but runs well except for hard warm restart-traced to bad fuel pump check valve-replaced pump and filter starts fine now BUT the mil is on in 10 min with p1133/p1153(after about 20 test drives ... Trouble codes: P1133, P1153, P0134
2006 Chevrolet Cobalt LS 2.2L No Start VIN: 1G1AK55F26
please this post is only for techs that are familiar with pcm programming on gm products I got no communication with pcm & body modules, all comm wiring check ok, no short to power, ground, or open circuits. customer got me 2 used modules, ? can used modules b...
2007 Chevrolet Silverado 2500 HD LT 6.0L Dash shows service Trailer Brake VIN: 1GCHK29K87
Hello Group after spending hours with this system I would like to post this so others may have an easier time This Truck is used by a contractor to tow a Bobcat on Trailer they say the electronic Trailer brake system works real nice when working we had codes C...
2007 Chevrolet Suburban 1500 LS 5.3L MIL Lamp on, No power VIN: 1GNFC16J67
Vehicle has intermittent mil and limited power mode. Have not duplicated problem yet. Inspected connections and harnesses with no sign of problem. During accelerator pedal depression with key on engine off throttle actuator makes a clicking noise louder at one... Trouble codes: P1516 (Throttle actuator position error), P2101 (Throttle actuator position erroe)
2001 Chrysler 300M 3.5L Shift VIN: 2C3HE66G91
Hi all and thank you for reading. This 300m has a 2nd gear default, and p605 dtc stored,the tests in aldata are nothing. More or less put a tcm in, but i have never come across this code and would like to know if any one has.i have checked powers and grounds, ...
2008 Chrysler 300 C 5.7L TIPM problem VIN: 2C3LA63H98
2008 chrysler 300c i think it have a problem with TIPM module, when I put key in and turn it on only door open signal heard. Acc, run, start positions dont react I check all fuses, powers and ground on ignition switch all exist, all outputs come out from ignit...
2000 Dodge Durango 4.7L abs VIN: 1B4HS28N4Y
HI to all, So we have this Dodge that the right front brake will skid when the brakes are applied with a little force.The customer is not locking them up just if someone cuts them off they react and hit them and let go. So we found a couple of things going on....
2000 Dodge Dakota SLT 3.9L Hesitation, Cuts out, Misfire VIN: 1B7GL2AX9Y
this truck came in and when u slowly press on the throttle when in gear it pops back through throttle and cuts out. if u mash it fast it doesnt do it. it dont do it out of gear but just under a load
2005 Dodge Dakota ST 3.7L Excessive Emissions, Tailpipe smoke VIN: 1D7HE22K45
Hi Guys and Gals, I hope you can help me out. I'm at a loss here. Here's the situation: This low mileage truck comes in for it biennial smog check. I pull it up and use the new Data Acquisition Device (DAD) smog machine to run the test. The truck is idling the...
2006 Dodge Grand Caravan SXT 3.8L cyl #1 VIN: 2D4GP44L96
This van came in with a p0301 code. Did plugs & wires and still had a occasional mis-fire at idle. Did compression check on #1, #2, & #6 cyls. All had 180 lbs. Replaced coil and #1 injector. Still had mis-fire at idle. Its not a constant miss but u can feel it...
2008 Dodge Ram 5500 ST 6.7L transfer case VIN: 3D6WD76A68
truck was towed in, would not move. found transfer case small crack front half. oil level still o.k. transfer case was bad. replaced with reman unit with new encoder motor. upon test drive, almost like unit is trying to shift into 4wd low at higher speeds. con...
2013 Dodge Ram 1500 4.7L steering wheel
It seems as if the eclectronic rac would have play.You can move the steering wheel Key off on acc.,left to right with out the outer tie rods moving about 7/16-1/2.
1998 Ford Ranger XLT 3.0L 1-2 &2-3 up shift VIN: 1FTYR14U8W
taking off from stop shifts into 2nd gear under normal acceleration 1/4 to 1/3 throttle in about 50 to 100 feet and into 3rd gear in about another 50 to 100 feet.
2003 Ford Expedition Eddie Bauer 5.4L engine VIN: 1FMEU17LX3
Vehicle came in no start from another shop.
2005 Ford Expedition XLT 5.4L no communication, no crank VIN: 1FMPU16575
Hello Ford Technicians, need some help. We have a 05 Expedition that came into shop no crank. No communication with PCM and U1900 Code. Checked power and grounds to PCM, okay. Disconnected all modules still no communication. Finally installed new PCM, still no...
2008 Ford F-550 Super Duty XL 6.4L No Start, died while running VIN: 1FDAW56R28
now on driving driver says he heard a loud noise and then truck died got truck towed in and cranks but no start battery was dead so no codes stored did KOEO self test showed current p0676 which was on previously / and p0341 cam sensor circuit performance. sync... Trouble codes: P0676, P0341
2005 GMC Sierra 3500 SLT 6.6L Compressor VIN: 1GTJK33275
HELP!!!Thanks for looking first of all! This truck came in with a complaint of the A/C not cooling off. We put the gauges on it and the hardly moved. We evacuated what little 134 it had in it (8oz), vac't it , and charged it back to specks (1.7 lbs I believe) ...
2005 GMC Sierra 2500 HD SLE 6.6L No Start VIN: 1GTHK23205
We have no injector pulse at injectors. We have tried a known good crank sensor with no luck. Voltage 1 circuit(s) into FICM is battery voltage, 12.4v, KOEO. Voltage drop on grounds at FICM is less than .09v. Injector supply voltage from FICM is 3.5v on connec... Trouble codes: P089, P1093 (Fuel rail pressue low under load.)
2006 GMC Sierra 1500 HD SLT 6.0L power steering pump VIN: 1GTGK13U46
Customer afterward noticed that steering and brake assist would intermittently fail at lower rpm. Power steering pump was replaced, ok for a short time then resurfaced. Pump replaced again, then noticed brake pedal began to "kick" when applying brakes. Hydrobo...
2009 GMC Sierra 1500 SLE 5.3L No Start, MIL Lamp on VIN: 1GTEK29079
The customer's concern is, once in a while the truck will crank but not start. If he turns the key off, and then tries again, it will start. Someone here has witnessed It one time. The Check engine light is on all the time. The P069E is obviously set because o... Trouble codes: P0193 (fuel rail pres sens A circ high), P0641 (sensor ref volt A open), P06A6, P069E
2003 Honda Pilot EX 3.5L Reverse VIN: 2HKYF18553
This customer came in 6 months ago complaining about a loud banging noise in reverse when cold. We could not find it then but did a tranny service as maintenance. Now he came back and said it got way worse after reversing with the tent trailer. I has a huge cl...
2006 Honda Odyssey EX 3.5L Door VIN: 5FNRL38796
I have a 2006 Honda Odyssey that has a strange power sliding door problem. With the key off both doors work perfectly fine from ALL switches, buttons, and remotes. Now... If you turn the key on or engine running it is a different story. They won't work at all....
1997 Jaguar XK8 4.0L Stall, no acceleration VIN: SAJGX5749V
this vehicle came from a different shop. the owner complaining of now power and stalling. it had the codes listed for cam and crank sensor. they replaced both and it did not change the performance. i looked at vehicle. there are no codes presently. i was tryin... Trouble codes: 0335 (crank sensor), 0340 (cam sensor)
2001 Jaguar S-Type 3.0L CATS ride control VIN: SAJDA01N41
Vehicle came in with "CATS system fault" warning. Extremely harsh ride suspension control module does communicate give following codes: C1425 RR shock solenoid circuit short to ground C1432 LR shock solenoid circuit short to ground C1422 LF shock solenoid circ...
2002 Mercedes-Benz ML320 3.2L rack VIN: 4JGAB54E42
Good afternoon all. so i have this 2002 mercedes that ive inherited from a departed tech.rack ordered due to excessive play internal to the rack on the left side. now unfortunetly i dont speak mercedes very well (or volkswagon,audi or bmw).looking online i see...
2005 Mercedes-Benz E500 5.0L Airmatic suspension VIN: WDBUF70J45
Good evening Mercedes Benz techs everywhere. I have this car with an airmatic code 5340,airmatic valve unit right rear suspension strut Y54/1y2,level valve open circuit. And code 5390,Airmatic valve unit right rear suspension strut Y54/1y2(additional volume va...
2006 Mercedes-Benz ML500 5.0L Blower Motor VIN: 4JGBB75E56
Customer concern: blower motor runs after key turned off. About 5 seconds after key is turned off (happens whether key is removed or not)the blower motor begins to run. It will run until battery goes dead or key turned on and blower manually shut off. Climate ...
2009 Mercedes-Benz E550 5.5L Door handle switch VIN: WDBUF72X99
the 'keyless go' system works on the passenger side as it should both unlocking and locking the doors. On the drivers side it will lock the doors with the little button on the front of the handle but will not unlock them with the switch on the inside of the ha...
2001 Nissan Sentra GXE 1.8L Poor Idle Quality, Surge, Cuts out, MIL Lamp on VIN: 3N1CB51D01
This car came in with multiple issues. First the MIL was on with the stated codes. Next on cold start it runs rough for appox. 30 seconds at idle and can not accelerate past idle . When warm you can accelerate to 2-3K RPM . When hot (10 Minutes Run Time) you c... Trouble codes: P0325, P0335, P0340
2007 Nissan Maxima SL 3.5L Won't accelerate VIN: 1N4BA41E17
This car won't accelerate unless you unplug the ABS ( see related repair history). Graphed the wheel speed sensors again, they all look normal and consistent. I read the TSB about slow acceleration from 0-40 mph caused by wheel sensors, you can get it over 40 ...
1994 Oldsmobile 88 Royale 3.8L Misfire VIN: 1G3HN52LXR
coil 1/4 has no spark output, tried known good test coil, wires and test Ignition Control Module (icm) still now spark from 1/4 coil, used lab scope and cked crankshaft sensor 3x and 18x and showed fine at icm but 3x signal is showing only 1 volt.
1998 Plymouth Breeze 2.0L No Start, Hesitation, Stall, MIL Lamp on VIN: 1P3EJ46C7W
Ok so car has had chronic issues with the battery light coming on and going off, but thats not what its in for its in because of a p1391 code and some times a p0117 code. some times it will not start, have to crank for long time. other times it runs fine for a... Trouble codes: P1391, P0117
2004 Toyota Tacoma Pre Runner 2.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5TENM92N04
Vehicle has rough idle with miss about every 3-5 seconds. I can see and hear the miss. You can also hear it in the exhaust note. There is a "put" now and then in the burble that corresponds. Plugs look good and even wearing. Manifold vacuum is pretty stable.... Trouble codes: P0442 (Evap Emission Control System Leak Detected Small Leak), P0446 (Evap Emission Control System Vent Control Circuit)
2007 Toyota Prius Touring 1.5L ICE gas engine VIN: JTDKB20U17
ICE doesn't start. Car codes/stalls within 10 seconds after READY with P0A0F INF 204 and P3190. However, if I burst starting fluid into throttle body it will run indefinitely so we got spark and presumably no mechanical issues inside the engine. Swapped throt...
2002 Volkswagen Beetle GL 2.0L fuse 32 & 43 VIN: 3VWBB21C02
I am wondering if anyone has seen this before. I remember a TSB about fuse boxes on some models, but I didn't think it involved this one. When this car dies, we lose power to fuse 32 & 43, which provides power to injectors, l/s htr, sai valve and other comp. I...
2007 Volkswagen Jetta Wolfsburg Edition 2.5L 2-3 4-5 VIN: 3VWEF71K27
Called asked for transmission fluid change. Asked to test. No codes except engine codes for cooling fans intermittent jammed. P1951 and P0480 fan control circuit. Activate fans with scan tool ok. Cleared. On test drive its shifting fine cold. After 10 mins fee...
2002 Volvo S60 2.4L temp pins at start VIN: YV1RS61R22
car came in temp guage buried on hot car not overhasting serp belt was shreaded put new alt on w/belt car dosent overheat but guage is buried on hot. unplugged coolant sensor right to -40 but guage is still buried

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 Audi A4 Quattro 1.8L MIL Lamp on VIN: WAULC68EX4
Thanks for all the good replies. I checked the timing belt and timing chain. Timing belt was good, timing chain alittle loose. The customer just bought this car at a auction and now i know why it was at the auction. It was very obvious that valve cover was re... Trouble codes: P0340, P0171.
2007 BMW 328i 3.0L l/r window innop VIN: WBAWL13577
THanks for all the input, we removed motor and could smell a burnt smell,we have power & ground to the motor connector-a new motor is on order, thanks for all the help. Brian
2008 BMW 328xi 3.0L Poor Idle Quality VIN: WBAVT73568
Well the fix turned out to be very simple once the vehicle finally returned. It ended up at one of the local dealers and they wanted to install a new air flow sensor. Been there, done that, didn't work, so back to us it came. I started to tear this down wit... Trouble codes: 2D06, 29E0, P00BC.
2005 Cadillac SRX 3.6L Poor Idle Quality, Stall, Misfire VIN: 1GYEE63765
Thanks to everybody that replied,just running out of time here... so far after cleaning maf and tightening (what it seemed to be) a loose ground on the intake manifold this car is running good, even though the codes came back. but we will be replacing the maf ... Trouble codes: P2178, P2180.
2008 Chevrolet Suburban 2500 LT 6.0L MIL Lamp on, limp mode VIN: 3GNGK26K98
Scoped hi speed data line and found 7.5V toggling and intermittent 0V when problem would occur. Data lines should toggle at 2.5V. While observing scope disconnected and bypassed transmission connector data lines. Voltage went to 2.5V toggle. Replaced transmiss... Trouble codes: P0700 (Transmission control Module), U0121 (lost communication with abs system), P0575 (cruse control switch signal circuit), U0102 (lost communication with Transfer case control module), U0100 (lost communication with ECM/PCM), U0140 (Lost communication with Body Control System Erratic).
2000 Ford F-150 Harley-Davidson Edition 5.4L Poor Idle Quality, Hesitation VIN: 2FTRX07L1Y
I appreciate all of your input. I discovered the PVC valve was open. During acceleration the valve stayed open causing a lean condition at 25% Long Term Fuel trim. The [...] term fuel trim stayed at -6% to -7%. When I replaced the PCV valve, during acceler... Trouble codes: 171 (Lean), 174 (Lean).
2002 Ford Thunderbird 3.9L will not run VIN: 1FAHP60A32
hey guys thanks for all of your tips and comments. after spending several hrs working at trying to find the short the customer decided to just get rid of the vehicle.It started to look like this was going to get expensive and she wanted no part that.So thanks ... Trouble codes: P1474.
2001 Honda Accord EX 3.0L Shifting VIN: 1HGCG165X1
I have found that the TPS sensor was faulty...
2003 Honda Accord EX 3.0L Safety VIN: 1HGCM66553
Thanks for all who replied. Seat belt tensioner fixed my problem.
2006 Honda Odyssey EX 3.5L left front speed sensor VIN: 5FNRL38626
You guy's were right about the bearing being backwards.New bearing and put in myself and all is well.Thanks Mark
2007 Honda Accord EX 2.4L the vehicle VIN: 1HGCM56747
First I want to thank everyone who took the time to help me out. I pretty much knew what the answer was gonna be. I just wanted to be sure there wasn't something I was over looking or an odd ball problem that have yet to run across . Since we have used a coupl...
2005 Mazda RX-8 1.3L no start VIN: JM1FE17N55
treid everything that was suggested.we have decide to remove and get another reman engine and it hasnt got here yet. will let everyone no what i find out thks
2004 Nissan Quest SL 3.5L Poor Idle Quality, Misfire VIN: 5N1BV28U54
Apologies for the long wait for a fix. Thank you to all who replied you were all very helpful! We had trouble finding an ECM that did not have the corroded hole in the bottom of the case (remove steel shroud sandwiching ECM to expose it, I bet you will find... Trouble codes: P0300 (multiple cylinder misfire), P0306 (misfire cylinder 6).
2006 Nissan Sentra S 1.8L Hesitation, Misfire VIN: 3N1CB51D26
Well we got it all figured... Stupid injector... Swapped them around and found one injector bad. Thank you everyone for your help and guidence. Trouble codes: P0300 (random misfire).
2012 Nissan Versa 1.6 S 1.6L Unknown VIN: 3N1CN7AP6C
Drove several times monitoring scan data as far as misfires or other abnormal values. Talked to someone who works at Nissan and they haven't heard of an issue like this and no TSB's or re flashes that address this problem. I will be putting another CVT trans...
2008 Smart Fortwo Pure 1.0L No Start VIN: WMEEJ31XX8
Thanks to all who responded. I closed this post with a fix because Norman was right. We installed a new actuator and it starts, runs and shifts. The clutch actuator was broken, we should have removed it earlier and we would have seen the problem. The new pr...
2006 Toyota RAV4 Limited 3.5L Engine noise VIN: JTMBK31V46
I want to thank everyone that did respond. We did suggest to the client that replacing the vvt gear and he declined. To the ones that thought 5k was a lot come live in the sf bay area and pay my rent.
2000 Volkswagen EuroVan GLS 2.8L 1-2 shift and 2-3 shift VIN: WV3AH4700Y
So German Transaxle recieved the used transaxle from back east and it was the wrong one. So they have to order new ring and pinion from Germany. We won't get this fixed before this post expires so I'll update when we do. Thanks.
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