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Prev Professional Automotive Repair Technical Discussions for October 24, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
2007 BMW 530xi 3.0L remote key VIN: WBANN73587
Customer states both keys have over period of months began to function intermittently as regards central locking until now when they do not function at all.These are the rectangular keys.The vehicle does not have comfort access and so does not have replaceable...
2008 BMW X5 4.8i 4.8L air bag
the vehicle came in for rear suspension sitting down in rear. start car and it lifts right back up. it takes a while for it to sink down does so on both sides (like overnight) I sprayed down air bags pump lines etc cant see a leak. both sides leak down there i...
2001 Cadillac DeVille 4.6L blower motor VIN: 1G6KD54Y31
Hello All: I'm trying to replace the blower motor on this cadillac.I managed to remove old 1 but in the process i broke part of the motor housing base. Trying to install the new 1 and no mater how much i try i still can't get the new 1 in. It seems like i need...
2000 Chevrolet Silverado 2500 6.0L Blend Door VIN: 1GCGK29U0Y
Please help. This truck has been in my shop three times for cabin air not being directed to desired positions. First the defrost did not work. Changed the blend door. Now will not revert to cabin but stays on defrost. Now the ac no longer works and the defrost...
2003 Chevrolet Suburban 1500 LS 5.3L Engine Misfire VIN: 3GNFK16T03
I replaced the engine , All the Wires are hooked up , Everything else is hoked up,. Engine has a good 180 PSI compression . I get p0300 Mil flashes . I see misfire in # 1 3 5 7 , 1 and 7 are very high on misfire . New Injectors made no difference, Swapped the ...
2006 Chevrolet Malibu LT 3.5L Remote Start VIN: 1G1ZT518X6
Vehicle came in on 6/23/13 and had BCM replaced and configured for a defect in the operation of the old one. Vehicle came in this morning with the complaint that the Remote Start had not been working since the BCM was replaced (The BCM is correct and the same...
2002 Chrysler PT Cruiser Touring 2.4L No Start, MIL Lamp on VIN: 3C4FY58B92
Code po340. customer wanted new engine due to mileage I installed new jasper engine started it up filled coolant check for leaks all was good shut it off to clean up and write on work order restarted back up found engine light on check codes found po340 cam se... Trouble codes: P0340
2001 Dodge Durango R/T 5.9L Hesitation VIN: 1B4HS28Z31
Have a 2001 Dodge Durango 5.9l brought to my shop after being a another shop form hesitation. New plugs, wires, cap, rotor, cam and crank sensor. I checked and found low fuel psi replaced pump good psi but no change. you can run though the rpm range slowly and...
2004 Dodge Stratus R/T 3.0L Stall
Customer requested water pump and timing belt be replaced. After replacement, engine runs fine at all ranges,idles smooth,runs good at mid range and top end. After warms to operating temp,engine will die at idle if defrost or ac turned on.IAC counts are changi...
2008 Dodge Avenger SXT 2.4L Starting VIN: 1B3LC56K08
Customer has no crank, no start at all. Happened all of a sudden. I was able to crank the starter and feed the starter relay through the TIPM connector. Using the solus, I can fire everything other than the starter using the scan tool. I have no comm. to the e...
2001 Ford F-350 Super Duty Lariat 7.3L No Start VIN: 1FTSW31F31
This truck will not start cold unless block heater plugged in or starting fluid is used.When cranking this truck just bellows white smoke everywhere but will not start.The injector fuel pressure is at 2700psi on scanner while cranking.Checked injector pump oil...
2001 Ford Taurus SE 2-Valve 3.0L MIL Lamp on VIN: 1FAFP55U01
This is a returnless system i am trying to confirm where the fuel pressure is regulated dealer says part number [...] is the fuel pressure regulator but it looks more like a plastic rollover valve and a vapor valve that is inserted into the top of the ta... Trouble codes: P0172 (Rich bank 1), P0175 (Rich bank 2)
2004 Ford Thunderbird 3.9L No Start, Cuts out, Stall VIN: 1FAHP60A74
Car was towed in,shut off while driving.Now car will start up n shut right back off.fuel pressure good,checked fuel pump relay,all fuses,checked cut off switch on left kick panal.All seem to be good. Trouble codes: P1235 (Fuel pump curcit)
2006 Ford Five Hundred SE 3.0L charging VIN: 1FAFP26156
Hello, I have a situation were the lights flicker, sluggish when accelerating at times and the battery voltage fluctuates. The battery voltage at idle will bounce between 12.5 and 14.0 volts. When you rais the rpms it will fluctuate and peak out at 16+ volts. ...
2006 Ford F-250 Super Duty XLT 6.0L Engine VIN: 1FTSW21P46
6.0 Powerstroke runs fine maybe a little sluggish, after you come to a stop and idle for a few seconds there is a cloud of blue smoke from the exhaust at take off nothing noticable after initial puff of smoke. Will do this at every stop. I am thinking turbo se...
2008 Ford Escape Limited 3.0L Turn Signal VIN: 1FMCU04108
This SUV has a right turn signal that comes on intermintent. Through the scanner it will read right request when this happens, The turn signal switch (combination switch) will do what its suppose to, Left request,(left turn) left side blinks, Right request,(ri...
1999 Honda Accord EX 3.0L emissions VIN: 1HGCG1659X
1999 honda with code p1456, has any one know what will be the most common problem with this code i appreciate any help thank you,this is after checking for possible leaks and gas cap replaced. I suspecting a bad evap by pass solenoid valve?
1987 Jeep Cherokee Laredo 4.0L ignition VIN: 1JCMR7845H
Hi guys this jeep came in with the problem turn off ignition switch and it keeps on running. customer would disconnect coil to kill engine but found battery would go dead due to ignition acting like its still in the run position even with key in off position a...
2002 Jeep Wrangler X 4.0L Sway Bar Link VIN: 1J4FA39S42
hey everyone, customer brought this jeep to me.he just purchased it out of state and left it here for some service. during the servicing we found worn sway bar links both front and rear.we then discovered the jeep had been lifted about 2 inches and we needed ...
2005 Jeep Grand Cherokee Laredo 4.7L MIL Lamp on VIN: 1J4HR48N05
Thank you to all who respond.First of all I'm sorry for some lack of information.I'm trying to help a friend out who is a competent mechanic but doesn't have acsess to iatn due to a computer failure at his business.He replaced the heater core on this vehicle w...
1993 Lexus LS400 4.0L Guages VIN: JT8UF11EXP
Vehicle came in with complete speedo cluster blinking on & off, half working & then back to complete black, or all black except all three gauge needles lit up. Everything pointed to replacing the speedometer cluster, so we ordered a new one from the dealer. We...
2003 Mazda Tribute LX 3.0L unknown VIN: 4F2YZ94193
Good afternoon folks,i am dealing with a vibration @ 55mph and up,feels like a bad u-joint,shaft has been pulled u-joints and carrier bearing are ok,test drive with rear shaft out vibration is still there. Run vehicle on hoist both front tires(new a few months...
2003 Nissan Sentra GXE 1.8L Poor Idle Quality, Stall, Poor Fuel Economy VIN: 3N1CB51A13
Test drove vehicle and noted low rough idle(customer complaint is stalling when coming to a stop .maf reading at 2.34 gpm.smoke tested intake with no leaks found.checked battery and cleaned terminals.still had low/rough idle.cleaned intake system and readapted...
2003 Nissan Maxima SE 3.5L pings VIN: JN1DA31A63
Car came in with a pinging problem at light throttle only. Costumer states that he uses 94 octane. We cleaned the throttle body only because it was dirty. No codes were stored. By a suggestion form another shop we replaced both timing adjuster solenoids. While...
2000 Porsche Boxster Roadster 3.2L Can not put fuel in VIN: WP0CB298XY
Hey fellow Porsche techs. This is a strange on. Car came in with a "hooting" noise from the air vent hole beside the gas cap. NOT the drain hole. Found and replaced both shut off valves mounted on the valve housing assembly. All this is behind the rf fender li...
1988 Saab 900 SPG 2.0L Excessive Emissions VIN: YS3AT76L4J
Hey guys this saab 900 turbo if suffering from excessive nox.I have determined that the catalyst isn't performing well because of a lean condition I see in the o2 sensor waveform. At idle it switches very well. anything off idle and it flatlines. during this c...
1993 Toyota Camry LE 2.2L Poor Idle Quality VIN: 4T1SK12E7P
Hi and thanks in advance for helping. Vehicle came in with a idle surge only happens in closed loop operation. When adding propane into engine it seems to smooth out. Fuel pressure tested at pump was 38psi (dont have right items to hook up running). Smoked int...
1998 Toyota Camry CE 2.2L Guage Fuse VIN: JT2BG22K3W
Thanks To all who responded in advance. the problem that we are having is when you move the gear shifter to Drive the Guage fuses blow. when i put the test light on the fues key on i get 14.9 volts and then when i put it in drive the volts go to 10v and the fu...
2005 Volkswagen Jetta GLS TDI 1.9L Mechanical VIN: WVWSR61J45
Vehicle was towed in from the dealer, customer was told it needs a new clutch. Owner stated that when she was coming off of the highway, she heard a pop noise, like a pencil broke, and could not get it to shift into any gear but reverse. When the car got here,...
2005 Volkswagen Beetle GLS TDI 1.9L Airbag Light VIN: 3VWCR31C65
I have this beetle with an airbag light on continuously. To my knowledge and the customers it has not been in a collision. Have tried 3 different scan tools and none of them will communicate with airbag control module. Checked fuse 5 (7.5a) in driver side dash...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2009 BMW X5 xDrive48i 4.8L Misfire Cyl #8 VIN: 5UXFE83539
This car was picked up taken and traded in at a dealer. (He was not interested in investing any more into the car since he was ready to just get rid of it). The owner did say that the car ran fine for him after he picked it up from us. (No check engine light... Trouble codes: P0308 (Cyl 8 misfire), 29D4.
2002 Buick Rendezvous CX 3.4L No Start VIN: 3G5DA03E32
Replaced cam sensor-so far so good, it has been two weeks. Most replies said to check the grounds or the cam and crank sensors. Alex, William, Jose, Jake, and Patric suggested the cam sensor and monitor cam and crank signals. The biggest problem was the interm...
2004 Buick Rainier CXL 4.2L Fuel Gauge VIN: 5GADT13S14
1995 Chevrolet C2500 Cheyenne 5.7L rear brake lock VIN: 1GCGC29K5S
Needing a useful información? Oh yes sir.. this is the right place. IATN 32 useful replies. we tried them all and finally hit on the nail head. A bent free floating hub on passanger side. yeaph a right measurement shows .005 while rotating axle wheels. Jus...
2002 Chevrolet Malibu 3.1L Mechanical VIN: 1G1ND52J42
well, first off , thanks for all the replies. we read them all and did what val,max,& ed suggested. we replace the valve springs on 3&4 cylinders and put top end cleaner in them . then drove it about 60 miles. runs great, also we DID change the fuel and filter...
2005 Chevrolet Equinox LT 3.4L Brake Lamps VIN: 2CNDL73F55
Thanks for the replies! Got the system isolated down to it having to be a short to power on one of the six legs of the circuit off of splice 304. Started disconnecting the terminating components from the circuits one by one, until I got to the tail lamps. W...
2006 Chevrolet C4500 Kodiak C4U042 6.6L No Start VIN: 1GBE4V1296
Sorry for the delay y'all. We finally got it to reflash and it fired right up. It's strange how this happened. The tech had the Verus, recalibrating injectors. Finished that and moved over to transmission in the Verus and the instant it went into transmission ...
1977 Ford Mustang II 2.8L Poor Idle Quality VIN: 7R02Z12395
Thanks everyone for the responses. I was able to get a diagram for the vacuum system from Mitchell. It was hidden in the vintage section and I just overlooked it. I appreciate the tips on hidden canisters and such. It turns out that my horrible idle was se...
2002 Ford F-350 Super Duty Lariat 7.3L Unknown VIN: 3FTSW31F82
I am calling this one fixed. From the replies this truck will have engine braking or it won't. This one has engine braking when driven in town. As far as the up shift the customer is now second guessing them self and now is wondering if maybe the fan clutch un...
2010 Ford F-250 Super Duty Harley-Davidson Edition 6.4L Power steering, brakes. VIN: 1FTSW2BR9A
Well, we did get it fixed. After the third p/s pump we have pressure and assist.seems the fiber that entered the pump destroyed the hydrobooster and steering geartook all three and 3 pumps before we got a good pump. Helped to know the need of 1500 psi! Thank y...
2006 Jeep Grand Cherokee Limited 4.7L Noise in exhaust VIN: 1J8HR58N76
Thanks so much for your input guys. We installed a OEM replacement muffler and so far no extra noises.
1992 Lexus ES300 3.0L cooling fan VIN: JT8VK13T2N
replaced power steering pump with a rebuilt. also saw the cooling fan tenp sensor on the thermostat housing leaking and replaced it (expensive little item). now the fan works as it should, but is still overheating. will pull heads and replace the head gaskets....
2003 Mercedes-Benz SL500 5.0L misc VIN: WDBSK75F63
Hello. Thank you, every one. Customer was on holiday and have yet to made repair decision. check with tech support @ Autologic,suggest to try do reverse brake stand,if vibration gone,this may confirm the motor mount is the issue.Of which is very common items t...
2007 Mercury Milan Premier 3.0L Occupant Classification System VIN: 3MEHM02177
I have this vehicle fixed now. What I failed to realize was that after testing and replacing all of the affected components, you have to reset the system and do a zero weight test in order for the system to recognize that the problem has been corrected. I ha...
1994 Nissan Sentra E 1.6L reamer bolt VIN: JN1EB31P1R
This one is fixed! I have several layers of information for you. First of all I have several places including the web where I get related info. So this reply might not cover all the iATN answers. The answers I got were split 50/50. Some saying they had ...
1998 Nissan Frontier 2.4L no spark has injector pulse VIN: 1N6DD21S5W
As is suspected the computer was bad i was able to obtain a used ecm from junkyard fired right up thank to all who replied
2004 Oldsmobile Bravada 4.2L MIL Lamp on VIN: 1GHDT13S14
It has been 2-weeks and a day and my customer hasn't returned. If there was still a problem, he would've been back by now. Cleaning the throttle body fixed the problem. Thank you all for the tips. I surely didn't know about that one. Trouble codes: P0106 (Map sensor performance).
1998 Other GM T2000 .0L Ecm
Thanks for all your input,,, we installed a test ECM -Solved Problem
2001 Pontiac Sunfire GT 2.2L transmission VIN: 3G2JB52481
I have not had the opportunity to bring this vehicle back in to check the build code or the 2-3 accumulator piston yet. This sounds like it could be the issue and will try to get the client to leave me the car again.
2004 Porsche 911 Carrera 3.6L speaker VIN: WP0BA29954
The replies I received were pointing towards an aftermarket device. Customer recently purchased vehicle and may have contacted original owner about this noise. We have not heard back from customer and I am inclined to believe it was something aftermarket. I a...
1998 Saturn SL2 1.9L run on VIN: 1G8ZK5275W
Thanks for the replies, there was a wire from the fuse box to the fan motor. Unhooked the wire and problem went away, Thanks again
1997 Toyota Tacoma DLX 3.4L Hesitation VIN: 4TAWN72N0V
Fixed it. Starting doing some voltage drop testing. Did Not like some readings on main ground. Battery service and clean ground above spark plug wire on plenum. Good to go. Thanks for everyone's input.
1997 Toyota Camry CE 2.2L No Start, Cuts out, Stall VIN: JT2BG22K5V
well this one is fixed.after checking and or replacing everything under the sun on this car i went back to where i started, the coils.i tried another set of prenco coils,which were the same brand as the ones i put on 3 months did the same thing.after al... Trouble codes: P1300 (No igf signal to ecm).
2004 Toyota Tacoma 2.4L Excessive Emissions VIN: 5TEVL52N94
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