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Prev Professional Automotive Repair Technical Discussions for June 17, 2011
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Audi Allroad Quattro 2.7L windows, dome light, pwr seat VIN: WA1YD64B29
The dome lights will pulse on and off, and intermittantly fuse 14 will blow. I replaced the right rear door latch because it was intermittant, and a code was set in the central lock module "cannot lock right rear door". Since I replaced the latch the code does...
1995 BMW 740iL 4.0L No Start VIN: WBAGJ6324S
Car came in with no start. Found water in DME. replaced with reman unit. Car cranks, no start. Has code 66. I believe I need to align DME with EWS. Can I do this with a Launch or a Modis? If so, how? Trouble codes: 66
1997 BMW 528i 2.8L MIL Lamp on VIN: WBADD6329V
Replaced said components and still getting codes for the Pre-Cat Oxygen Sensors. In my haste I cleared the codes before saving any Freeze-Frame Data. Cleared Adaptations (which was not performed before when the Oxygen Sensors were replaced, but I'm almost sure... Trouble codes: 230 (E6 Oxygen Sensor Bank 2 Before Catalytic Converter Control Frequency), 229 (E5 Oxygen Sensor Bank 1 Before Catalytic Converter Control Frequency)
1997 Chevrolet Monte Carlo LS 3.1L fuel gauge VIN: 2G1WW12MOW
Hey guys Im looking for a little assistance here on this Monte Carlo. The fuel gauge will not come off of full. Ive tried everything. The customer put in a sending unit and I put in a cluster. Does anyone have a testing procedure for this and maybe a wiring di...
1999 Chevrolet K1500 Suburban 5.7L Misfire, MIL Lamp on VIN: 3GNFK16RZZ
At idle we lose spark to #2 clynder sometime 8 we can watch it drop out on the scope we have new cap and rotor new distributor new plugs ,has anyone seen this .it is not injection nor anything else but we lose spark to #2 cly at idle only also crank sensor has...
2000 Chevrolet Impala 3.4L Air bag & Wipers VIN: 2G1WF55E6Y
First time customer came in with a complaint that when her wipers were turned to the intermittent setting, and the wipers were active, the air bag light would come on. When the wipers went back to the park position, the air bag light would go off. First though...
2001 Chevrolet Impala 3.4L cluster, radio VIN: 2G1W55E719
customer had been getting a draw at the battery causing it to go dead in a few days of sitting, so when i got the car the first time i had to tow it in it was a no start, no communication from bcm replaced that, had it flashed byu the dealer, started just fine...
2006 Chrysler 300 Limited 3.5L Stall VIN: 2C3KA53G56
Customer wife complains that on occasion car attacks up and does not to go. I could not duplicated and neither the husband until yesterday. Husband drove the car home. Got some gas, went to Seven 11 and went to get on RT 22 and the car dumped. Stayed running b... Trouble codes: P0300 (Misfire detected)
1994 Dodge Viper 8.0L charge VIN: 1B3BR65E4R
cant find anywhere the capacity for ac- need to charge before shipping to florida on sunday-...also, anyone know of any problems with filling tank? keeps shutting off pump-
1994 Dodge Ram 2500 8.0L Hesitation, Misfire, MIL Lamp on VIN: 1B7KF26W5R
We have a rare one here. We are the third shop to work on this truck. If you drive this truck HARD it performs flawless it does not miss or hesitate all. If the code 43 don't occur the truck runs great. The problem occurs between 1200 to 2500 rpm's easy drivin... Trouble codes: 43 (Ignition coil circuit 1)
2000 Dodge Grand Caravan ES 3.8L Ccd Bus VIN: 1B4GP44L3Y
Vehicle returned a few days after fuel pump repair for intermittent no-crank, rf window inop at times, odometer quit for a couple min them came back on. Battery light came on then went out. Found dead cell in old battery. Replaced battery and car cranked but f...
2000 Dodge Intrepid 2.7L No Start VIN: A2D5TG75YG
this was towed in to the shop with a no start and i found when watching the data and and cranking it over that i had no cam or crank signal and no syinc scoped the cam and found a good pattern went to the crank and nothing when it was cranking on the scope so ...
2001 Dodge Durango R/T 5.9L Poor Idle Quality, Cuts out, MIL Lamp on VIN: 1B4HS28Z81
Scan tool is showing 5 volts on signal return all the time... Checked all wiring from PCM to throttle sensor,no shorts or bad grounds.. Voltmeter test shows .85volts at PCM on throttle position return signal..But scan tool shows 5 volts with percentage 89 at a... Trouble codes: P0123
2002 Dodge Intrepid SE 2.7L nvld solinoid noisy VIN: 2B3HD46R82
Vehicle runs and drives fine, no mil lamp, nvld solinoid keeps opening and shutting making noise ,have checked circut to and from pcm ,have sent pcm out to be have operation checked, have replaced nvld and cannister assembly no change car will not trip any cod...
2004 Dodge Ram 1500 SLT 5.7L Poor Idle Quality VIN: 1D7HUI8D84
looking like a bod tps in the throttle body.anyone out there had this problem.thank you in advance Trouble codes: P2106, P2172
2008 Dodge Sprinter 2500 3.0L No power, limp mode VIN: WD0BE745X8
Customer complaint of no power van stuck in limp mode, scanned van and found codes P2623 Charge air system drift at idle and P2626 DPF soot content to high are stored in computer, cleared codes and both return instantly without starting vehicle. According to d... Trouble codes: P2623 (Charge air system drift at idle), P2626 (DPF soot content to high)
1997 Ford F-350 XLT 7.3L Compressor VIN: 1FTJW36F2V
Were beating our heads against the wall, this one is about to drive us nuts. This truck came in with a a/c bypass pulley on it and the compressor was not hooked up. The old compressor was locked up so we replaced everything besides the evaporator at first, and...
1998 Ford Ranger XL 2.5L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1FTYR10C4W
Truck came to us with complaint that truck would stall when coming to a stop. Would restart, but idle poorly for a bit and then smooth back out. No issues during normal cruise. started with the basics as all parts were original. After repairs, idle, accel, dec...
1999 Ford Taurus LX 3.0L No Start, Stall VIN: 1FAFP53U4X
Customer has said car intermittently will stall but restart,after setting for about a half hour. She said this has been going on for about three monthes. About 2 weeks ago i came to work on a monday morning,and car was parked outside, she called and said car d... Trouble codes: P0402
2000 Ford F-350 Super Duty XLT 7.3L Missfire VIN: 1FTWW33FGY
This truck came in dead. Customer gave very little imfo. It would crank slow but would crank. Charged batteries and sounded like only hitting on a few. Ran injector buss test and found pass side dead. Glow plugs tested fine. Pulled valve cover to find harness ...
2002 Ford Excursion XLT 7.3L MIL Lamp on VIN: 1FMSU43F01
This customer has said he makes frequent trips to California and back. There are no driveability complaints by the customer or ones that I can detect while test driving the vehicle. I haven't tested fuel pressure because I haven't had any driveability concerns... Trouble codes: P1247 (Low boost pressure)
2004 Ford F-150 Lariat 5.4L Poor Idle Quality VIN: 1FTPW14554
Bear with me on this guys. Customer came in saying it runs like a diesel. Pulled a code P0022. Truck just had an oil change. Even tho the oil filter cross ref over to the correct number, it was skinnier than it should be so I swapped that out. Took it for a dr... Trouble codes: P0022 (Cam Position Timing Over-Retarded Bank 2)
2005 Ford Expedition XLT 5.4L steering VIN: 1FMPU15585
ok this one is for the ford techs out there, I got a 2005 Expedition that has a return to center problem . When the truck first came in to me I inspected the front end and found both lower ball joints had excessive play and one tooth on the P.S. rack had a tig...
2005 Ford Five Hundred SE 3.0L MIL Lamp on VIN: 1FAHP28125
Gentlemen Car came in with intermittant fluctuation of temp guage and check engine light on. Checked codes and had p0118 p0119 replaced ect and car was gone for 3 days came back today and light was back on with same codes checked with scan tool and all showed ... Trouble codes: P0118, P0119
2006 Ford E-250 5.4L vacuum reservoir VIN: 1FTNE24L66
Ok,i have this van...ducts switching to defrost upon acceleration. have concluded that either vacuum tank or check valve is bad...where the heck is it? alldata give time to r and r instrument panel...which is on the inside..and r and r evap case...which is on ...
2007 Ford F-150 FX4 5.4L Hesitation VIN: 1FTPW14V47
I have this 2007 Ford f-150 5.4l vin V that looses power on acceleration. It starts out alright when cold with fuel pressure at 39 psi and after you drive it a while the fuel pressure slowly goes up to 70psi at idle. Fuel trims at idle on st. and lt. always cl...
1986 GMC S15 High Sierra 2.5L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GTCT14E7G
Here's a weird one! Engine was rebuilt by owner (good, experienced mechanic). Will start and run roughly, occaisional backfire through throttle body UNTIL the alternator 1/2 plug is plugged in and it starts charging. When the alt. is online, the TBI immiediate... Trouble codes: 33 (Map signal voltage high)
2005 GMC W4500 Forward W4S042 5.2L Excessive Emissions, Hesitation, Poor Fuel Economy VIN: J8DC4B1615
Truck came to shop two years ago with miss cyl 3 and injector problem(was able to scan with obd2 gen). Truck went to dealer for repairs, came back with same driving issues, tried to scann and could not, after ecm was replaced gen scann does not work? truck is ...
2006 GMC C4500 Topkick C4V042 6.6L Excessive Emissions VIN: 1GDE4E3216
this vehicle was brought in for black smoke on acceration, there are no codes present, power seems good and engine runs smooth, only problem is smoke. this vehicle was towed into another shop out of state and they found the mass air flow sensor was unplugged, ...
1996 Honda Civic LX 1.6L No 1st, No 4th. VIN: 2HGEJ6320T
This Honda Civic came in for an original complaint of slipping, and had a P0715 code along with a p0730 code. After tearing down the transmission replacing all of the clutches and installing a new torque converter the 715 code remains. The car starts off in 2n...
2003 Honda Civic SiR 2.0L compressor
Hi guys i have this civic it is a new customer the ac was empty i checked for leaks none found put the correct charge now i have low side at idle at 50 psi and high side 100 psi at high rpms low side goes into vacuum and low side drops i ordered a TXV, just wo...
1995 Infiniti G20 2.0L Intake Rocker VIN: JNKCP01D8S
This nissan spit the number four intake rocker. Searching the archives shows one response where the tech says valve height must be the same on both valves otherwise it will spit the rocker. He also said there is a way to check this with a tool that even the de...
2005 Jaguar XK8 4.2L power antenna VIN: SAJDA42C55
hello everyone. today im trying to fix this 05 xk8 jag's power antenna. Car came with broke mast. Replace every thing is good with car not running but when start the mast stops dead in its tracks. Ok im using a power probe3 to monitor the center wire at the mo...
1991 Lexus ES250 2.5L Cuts out, Misfire VIN: JT8VV22T4M
This lexus came in cutting out. It seemed like the ignition was getting shut down, like a go-kart at the amusement park when it's time to come in. So I started tapping around on the MAFS and IGNITER to see if I could get it to stumble. Nothing. So I got out ... Trouble codes: 71 (Egr malfunction)
1993 Lexus GS300 3.0L Stall, Misfire VIN: JT8JS47E8P
Hi every one this baby start and run fine untill we put it in drive !! that in when she falls on her face , loosing power and hardly move. Any idea will be nice from you gentlman or ladies thanks in advance matt
2003 Lexus RX300 3.0L Safety VIN: JTJGF10UX3
Car originally came in with srs/airbag light on with codes b0133 short in p/t squib rh circuit to b+, B1100 air bag sensor assembly, B1241 body circuit diagnosis, b1421 solar sensor and B1141 Air bag sensor LH. Cleared codes and rescanned with only B0133 retur...
2000 Mazda Miata 1.8L Unknown VIN: JM1NB3539Y
Vehicle has an intermittent vibration From 65 To 68 mph. Then car shakes all over. We had thoughts of a possible bad CV axle in the rear! Any help would be great!
2002 Mazda 626 LX 2.5L No Start VIN: 1YVGF22D82
We have a Mazda 626 that we changed PCM because it had bad driver cicuit for A/C.Our problem is that now car will not start,we purchased reman PCM from local Mazda dealer,we had the new PCM flashed but are unable to program the ignition key.This car has securi...
1999 Nissan Maxima SE 3.0L Hesitate start VIN: JN1CA21D2X
Hello fellow technicians, I have this 1999 nissan maxima with a hard start. Vehicle cranks, and starts after a few long seconds. Sometimes after cycling the key. When it does not start, vehicle has no injector pulse, has spark; security light NOT ON. I've c...
2001 Nissan Maxima SE 3.0L air bag VIN: JN1CA31D11
I have a 01 nissan maxima with a flashing air bag light, scaned and have code for passenger air bag circuit short and passenger air bag 2 circuit short. i have replaced the air bag, when testing if i disconnect the passenger side air bag i get a open circuit c...
2005 Nissan Altima SE 3.5L Stall VIN: 1N4BL11E35
This vehicle cam in with intermittant cam sensor code on the engine side, and loss of speed input on the transmission side. After reviewing the knowledge base, I replaced the cam sensor b1 and retested. Now the vehicle has hard faults both the 340 cam sensor, ... Trouble codes: P0340, P0724, P1001, P1012
1996 Pontiac Firebird Trans Am 5.7L No Start VIN: 2G2FV22P1T
Vehicle came in as a no start. Customer stated the individual he recently purchased the car from said that it had been quitting intermittently. After my customer purchased the car it finally died and would not restart. I ran the troubleshooting according to Mi...
1996 Subaru Legacy Outback 2.5L Cuts out, Stall VIN: 4S3BG6851T
The customer brought this car in with an issue with the engine cutting out and almost like the ignition switch was turned off. We could not duplicate the concern. We recommend doing ground repairs and customer approved. She took the car back and about 2 days l...
2004 Volkswagen Jetta TDI 1.9L lack of power VIN: 3VWRR69M64
Vehicle idle's great... but has no power, i marked cam and crank positions before removal and was very careful on install, i did not have the vw tools. Will this vehicle idle good if the timimng belt is one tooth off ?? No codes!! Thankyou,
2003 Volvo V70 2.4L Timing Belt Issue VIN: YV1SW58D02
Vehicle came in for timing belt as preventative maintenance. We marked very well before removal. Following Mitchell and our timing lines vehicle started up perfect. After about 40 miles of driving, shut off vehicle and when you restart check engine light popes...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 Audi S4 4.2L Electronic VIN: WAUPL68E04
Iam not acxactly sure its fixed but I removed the main controler took it apart blew it all out and reinstalled an all has worked well since Thanks all Gary
2006 Cadillac SRX 3.6L Starting VIN: 1GYEE63726
Found the ECM was bad, The key was reconised but the ECM was unable to gound the starter relay. This vehicle had to go to the dealer to have the ECM installed and programed. Thak you for all the help. My Determator scan tool actualy had the fix in tech help....
2003 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GTEK19T73
First I was mislead by the shop that sent this vehicle to me. It had an aftermarket throttle body on it ,this set the MIL constantly. Luckly they still had the original part so I installed it back on. Then I removed the harness to the pedal sensor and tested i... Trouble codes: P1125.
2005 Chevrolet Avalanche 1500 LT 5.3L Blower Motor VIN: 3GNEK12TX5
thank you for all the quick responses. i did some more testing on the resistor module and found that i had a bad resistor. replaced it and still didn't work. but there is a catch, the high speed (#5) only works whith the truck actually running not in the start...
2006 Chevrolet Trailblazer EXT LS 4.2L Idle VIN: 1GNET16S66
I did clean the throotle body,and the mas air flow looked fuzzy as heck.cleaned it also.fixed the truck.Thanks everybody!
2006 Chrysler PT Cruiser 2.4L compressor VIN: 3A4FY58B36
Allright, seems i way over thought this one. the low pressure switch was open and since the switches are in series, if anything goes open, the scanner registers 580.2psi. Well that makes sense! so problem solved. The thing is just like a simple 90s chevy sys...
2002 Dodge Ram 1500 SLT 4.7L Fuse # 39 VIN: 1D7HU16N12
All the replies advised me of the TSB re. replacing the condenser fan when the fuse # 39 blows. Although I didn't frame it well in the original post, that is what I had done before posting. What I was having trouble with was the fuse I was using blowing after ...
2004 Dodge Grand Caravan SE 3.3L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 2D4GP44L04
To clear the air the misfire was on cylinder number 4. The fix was a used engine. I don't know how the compression was missed but I believe the low compression on that cylinder caused my headache. I installed a used engine, 75 miles on it now and running st... Trouble codes: P0304 (Cylinder Number 3 misfire.).
2004 Dodge Ram 2500 SLT 5.9L communication VIN: 3D7KU28614
I finally found it. I did check the alt. Thanks for the advice though. Finally I did check the PCI Bus again and it did show short to ground. I checked it a few other times and no short. There is a ground strap above the transmission that was laying acros...
1993 Ford Probe GT 2.5L No Start, Stall VIN: 1ZVCT22B9P
I think I have fixed this nightmare.After checking resistances of injectors (all 14.9 or 15 ohms)and changing crank sensor, which I believed was faulty anyway, and replacing PCM with correct interchange,the pig still had the intermittant stall and hard start.I...
1994 Ford Tempo GL 2.3L No Start VIN: 1FAAP36X7R
so far so good, i put a dealer fuel pump relay on it. i kept loosing power out off relay. and everything else checked good.
1994 Ford F-350 XLT 5.8L Pressure Solenoid VIN: 1FDKF37H7R
Thanks to those who responded. The transmission re-builder had specs that gave the ohm value of the pressure solenoid at about 5 ohm's. He even tested an old solenoid block to confirm. With the lower ohm value, I was comfortable with the higher amp draw. I...
1999 GMC Yukon Denali 5.7L Transfercase VIN: 1GKEK13R7X
The transfer case switch was replaced with an OEM switch after swapping out aftermarket switches ( which produced the same problem ) finally fixed though. Stick with OEM if you do replace things like this and save yourself a whole lot of hell. THANX TO EVERYON...
2000 Hyundai Elantra GLS 2.0L No Start VIN: KMHJW35F7Y
michael got it right!! all 3 wires at ftp sensor were ripped out and laying bare on the tank.thanks for all your help
2004 Land Rover Freelander SE3 2.5L Lighting VIN: SALME11404
Hello everbody. Yes the problem was the lighting control module. I took it out & it was burn internaly.Thanks for everybody.
1994 Lexus GS300 3.0L Throttle stuck close VIN: JT8JS47E6R
Thanks to all 13 who replied. There was some confusion as to what system this car had. Whether it was a cable or drive by wire. This system was a cable and had two throttle plates. The inner plate was stuck closed do to carbon build up. A good cleaning cured t...
2006 Lincoln Zephyr 3.0L dont know VIN: 3LNHM261X6
want to give thanks to all who replied,sorry for taking so long to get back,there was a fuse blown,changed out the fuse and all good,still have the problem with the a/c but got that fixed to it was the evaprator core air discharge sensor,have to pull the dash ...
2000 Mazda Protege DX 1.6L clutch VIN: JM1BJ2220Y
Thanks for the help you guys, all of you who said the rubber pipe for the intake is cracked got it right! There was a crack approximatly 2 inches long on the underside of the pipe. We ordered a new one from our local mazda dealer and it was a quick fix. Thanks...
2003 Mercedes-Benz C240 4Matic 2.6L engine mount VIN: WDBRH81J63
Well Iam closing this out with no solid resolve. All replies had some good input, I tryed exhaust alignment on drive on rack, all the parts installed were OE, the axels were installed all the way, I ran ring gear(this needs to be done when mounts are replaced)...
2003 Mercedes-Benz SL55 AMG Kompressor 5.5L Cuts out VIN: 2304751F03
So far, I haven't got the customer to return to try some of the suggestions which included scoping the fuel pump for high draw,fuel pump wiring harness,the pump itself,pickup screen in tank, and crank sensor(tried this already). If he comes in and we solve the...
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