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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 24, 2007
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Open Help Requests for All Makes and Models
Help Request Answers
1995 BMW 540i 4.0L Poor Idle Quality VIN: WBAHE6324S
Vehicle has an engine miss at idle only. we can here what sounds like a vacuum leak under the plastic intake plenum but cant verify it. We looked for TSB's on the problem but none were found. I guess what we wanted to know is if these are known for intake gask...
2001 BMW 325i 2.5L engine/ RPM VIN: WBAAV33471
Vehicle has an intermittent vibration right underneath the rear seat, it seems to be coming from the exhaust resonator but it is not, when this occurs, engine rpm drop 300/400 rpm, scanner reveals code 120 which is an invalid code for this car, I pulled the fu...
2002 Buick Rendezvous CX 3.4L headlamps VIN: 3G5DB03E82
This car is from a local used car dealer-probably an auction vehicle.headlamps will go off and on at will.koeo or koer.bcm controls headlamp function.u1016 and u1040= loss of communication between ecm/bcm/ipc.also bcm codes 1088-1096-1098-1128-1192.Have checke...
1998 Chevrolet Tahoe 5.7L noise tensionor or belt VIN: 1GNECI3R5W
I appreciate any idea I can get on this 1998 Tahoe. There are no oil leaks on the belt,all the pullies are free to turn and seem to be stright and in alignment with each other. The tensionor makes a tic tic noise ,by simply changing the belt the noise goes awa...
1998 Chrysler Concorde LXi 3.2L MIL Lamp on VIN: 2C3HD46J7W
Hi Techs, I have a 1998 Concorde with a 3.2L which keeps flagging a P1495 with key on. Code does not clear. It will return as soon as the key is turned on. I inherited this one from another tech in the shop who shotgunned an LDP at it. Well...no fix. I checked... Trouble codes: 1495 (Leak Detection Pump Solenoid Circuit)
2004 Chrysler Crossfire 3.2L bas esp lamps VIN: 1C3AN69L04
Hello Co worker Diagnoised the code and the system. Code{ steering angle sensor circuit}he replace the sensor and then performed recalibrate or initialize the sensor.code came back,after 3000 ft.he then used flow chart again ,replace cab ,computer,same thing ,...
2004 Chrysler Crossfire 3.2L long crank time
I sure could some help from some of you Euro guys. This crossfire has a problem starting. The starter will engage and continue to crank for about ten seconds (with out even holding it is the start position) before the starter enable circuitry disengages. Other...
1983 Fiat PININ FARINA 2.0L Mechanical VIN: 2FRAS00B2D
a local shop has this car and is installing a new timing belt,we can't seem to find a timing mark diagram for it. it is a dohc 4 cyl.with a balance shaft 2.0.if any fiat guys can help it would be much appreciated.the local import shops & parts stores have neve...
1986 Ford F-350 XL 6.9L glow plug VIN: 1FDJF3711G
after engine warms up the wait light will not come on even after engine cools down. motor doesn't have to run long for this to accure
1992 Ford Mustang LX 2.3L 3-4 shift VIN: 1FACP41M9N
Hello to all. Trying to help a freindly neighbor. Has this 92 mustang that shifts fine except into 4th. It starts out fine no matter where the shifter is placed od d 2 1. Just cannot get it to shift into od. Fluid ok and full. Dont have the knowledge about thi...
1993 Ford Explorer Eddie Bauer 4.0L Excessive Emissions VIN: 1FMDU32X4P
Hello to all again. I have this explorer that is running rich excessively. I checked the maf sensor found it to be high at idle 2.6 -2.8 replaced maf. ran ok till customer picked up started all over again. Same readings at maf. Thaught maybe we got a bad one r...
1995 Ford F-350 Special 7.5L Hesitation, Cuts out, Stall VIN: 2FDKF38G6S
Thanks for the help. This truck cuts out & sometimes stalls, it will do this running down the road or just starting to take off, has not done it at idle, it looses the injector signal, both banks. Watching the injector waveform on the VANTAGE it flat lines whe...
1995 Ford Aerostar XLT 3.0L oil pan VIN: 1FMCA11U9S
Hello all - 1995 aerostar 3.0 with rusted & leaking oil pan. I have the pan unbolted, starter out, engine mounts unbolted & engine lifted up as far as possible, etc, having trouble getting pan dropped far enough to remove. Hitting the oil pump. Any ideas? Help...
2000 Ford Windstar SEL 3.8L MIL Lamp on VIN: 2FMDA5340Y
hey guys, this windstar came in late last week,it had failed the emissions test because the mil was on.the 2 dtc were p0171-p0174 the long term fuel trims were at + 13 we hooked the smoke machine up and found the tyoical intake plenum leak. we resealed the p... Trouble codes: P0171, P0174
2001 Ford F-150 XL 4.2L pings VIN: 3FTZF17251
This truck pings on warm acceleration. Previous shop installed a new MAF sensor, DPFE sensor (tube-mounted), and EGR regulator (all new Ford parts). ST and LT fuel trim are very good. I have removed the intake plenum and cleaned the partially-restricted EGR p...
2002 Ford Taurus SE 3.0L No Start VIN: 1FAFP53U42
customer drove vehicle to our shop with a complaint of occasional no start with check engine light on. went to bring vehicle into the shop it would not start about 3rd or 4th time trying it finally started ,scanned the light and found a po 1233 code -fuel pump... Trouble codes: P1233
2002 Ford Ranger XL 3.0L Poor Idle Quality, Misfire, Poor Fuel Economy VIN: 1FTYR1OU72
Vehicle came back with near same symptoms after 3500 miles. Convertor has aluminum looking sparkles this time at the inlet to the 1st convertor on the left, driver's side. I feel as though I may have a programming issue but can't find info confirming this. Veh... Trouble codes: 171 (lean), 1152 (rich), 304 (misfire), 305 (misfire), 306 (misfire), 316 (misfire)
2002 Ford Expedition XLT 5.4L mach audio
Thank you in advance for your time! The problem is in the audio system, specifically no bass/subwoofer inop. The vehicle is a 2002 Expedition Eddie Bauer, completely stock with the Mach audio system. All other stereo functions are okay, no bad speakers. I remo...
1996 Honda Civic DX 1.6L charging system VIN: 1HGEJ6521T
No charge from alt., only have bat. voltage. replaced alt. twice and ELD. I only have 12 volts or less with engine running. Only thing else that I could see that could be bad is the PCM. Any help would be appreciated.
2001 Honda Civic LX 1.7L Compressor VIN: 1HGES15521
Customer came in with airconditioning compressor always running, and cooling fans always running. If pressure switch is disconnected fans shut off and compressor also. Otherwise same problem. Replaced controll unit, checked all grounds, refrigerant, loose wi...
1998 Jeep Grand Cherokee 5.9 Limited 5.9L elect. short VIN: 1J4GZ88Z7W
It is a mystery short,What is the relation between the fuse (MUX/T TOW ) and electrical drain. IF this fuse removed the short goes away if the fuse rinstalled minor power drainage.connecting and reconecting battery terminal will start this cycle again. THANKS ...
1998 Mazda Protege ES 1.8L MIL Lamp on VIN: JM1BJ2217X
Gentlemen I had this vehicle a while ago for running too lean.I replaced the air intake hose reset the code and the customer was happy.Vehicle came back again yesterday with code P-0421 (warm up catalyst efficiency below threshold)bank-1. Had anyone dealt with... Trouble codes: P0421
1986 Mercedes-Benz 190E 2.3 2.3L No Start VIN: WDBDA24D9G
Thanks in advance, this mercedes has a no start condition. The problem seems to be low fuel pressure. I only have about 40 psi at the inlet to the fuel distributor. ALLDATA says I should have 77-80psi. When I check the pressure between the upper and lower cham...
1993 Mercury Sable GS 3.8L Cuts out VIN: 1MELM5544P
hi all, I have an 93 sable 3.8, engine idle at 900 rpm, everytime when shift in gear D or R engine just die, . Already replace Idle air control valve with little bit dirty, still the same. Any one have any ideal or ever had problem like this before? Please hel...
1996 Pontiac Grand Am SE 3.1L No Start, Stall VIN: 1G2NE52M5T
This vehicle will intermittently not start or very hard starting issue when the engine is warm (driven within the last 1/2 hour). Cold starts are fine. I cannot duplicate the issue but she states when starting, it will run rough and die unless she keeps the rp...
2001 Pontiac Grand Prix SE 3.8L Hesitation, Surge VIN: 162WP52K81
I took a Fuel Pump Rampage And Determined The Fuel Pump Is The Problem. Has Preasure But Not Enough Volume. I looked At Mode 6 And Component ID 1 .2...3...4..9 Has Failed. Where Can I Find The information On Mode6? Thank You For Your Help!
2002 Saab 9-5 Linear 2.3L No Start VIN: YS3EB45E02
The customer complains that the vehicle intermittently does not restart after stopping for a short while and attempting to restart the vehicle. It starts fine in the AM and the only time it occurs is after it sitting for approximately 20 min. after driving for...
2001 Saturn SL1 1.9L Surge VIN: 1G8ZH52831
This Saturn continues to elude us (get me mad) The Customer CRYING girl School Teacher Drives this car 28 Miles one way per evening to Night School She states the car starts surging (RPMS go up & down) Then the engine races and she has to put her foot on the b... Trouble codes: 172 (Rich)
1999 Toyota RAV4 2.0L Stall, Misfire, MIL Lamp on VIN: JT3HP10V6X
Vehicle was towed in due to lack of acceleration, popping through the intake, stalling. Using the Vetronix 5100 and Vetronix Master Tech and Genisys, all testing showed bad patterns between the ECM and the coils. Pattern would break up and the vehicle would ev... Trouble codes: P1300 (Ignitor circuit malfuction coil 1)
1999 Volkswagen Jetta GLS 2.0L compressor inop VIN: 3VWSA29M9X
Car came in for the a/c inop. Pulled the charge since the weather was still cool at the time . Down a bit so pulled a vac and charged to proper amount. A/c still did`nt run so started checking and found no voltage to the compressor. During testing I have found...
2001 Volkswagen Beetle GLS 2.0L Engine replacement VIN: 3VWCK21C61
We are replacing the cooked engine in this Beetle with a used (identical) engine, code AVH. We are a Mercedes shop, and unused to to working on these. We would appreciate the tips and warnings on R & R of the engine from Volkswagen experts. Thanks!

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 Acura TL 3.2L Power steering VIN: 19UUA5646X
Thanks all you guys, replace the O-Ring at feed line at pump, that fixed the problem. Thanks, thanks, thanks...
1993 BMW 325i 2.5L left running lights VIN: WBACB4317P
This BMW is fixed, thank you to those who replied. It took this long as the problem would disapear. I took some wrong turns but in the end found the problem. Let me clear up a few things. First the running light circuit splits at the headlamp switch on this mo...
1994 Chevrolet S10 4.3L anti loc VIN: 1GCDT14Z7R
Thanks guys! I changed the front pads and this appeared to have corrected the problem. Checked all wiring and connectors. Everything was fine. It appears the pads were taking on water. I put new ceramic pads in and so far the vehicle has not come back. Thanks ...
2001 Chevrolet Cavalier 2.2L Starting VIN: 1G1JC12441
thanks everyone for your help. the customer let me drive the car all week. unfortunately, the car ran great , no problems.customer has authorized replacing the ignition switch, so we will see what happens. thanks again,rick
2001 Dodge Durango 4.7L Poor Idle Quality, Surge VIN: 1B4HR28N51
Thank-you all for your assistance. After much testing, I realized that perhaps it was time to assess the mechanical condition of the motor, something I had not done due to the low mileage of the car. A compression check revealed that #3 cylinder had only 100 p...
2002 Dodge Ram 1500 SLT 4.7L MIL Lamp on VIN: 1B7HU16N02
Customer finally got a day that he could bring me the truck this past Wednesday. WE checked to make sure there were no obstructions to keep the fan from turning, then put a fuse in. To our disbelief and somewhat disappointment the fuse would not blow. I talked... Trouble codes: P1491 (Radiator Fan Control Relay Circuit).
1998 Ford Crown Victoria 4.6L No Start, MIL Lamp on, No SCP Communication VIN: 1FDZ123419
Thanks to all, I'd 1st like to state that in the original post, under the test results column, I stated that I checked 5 volt Vref , some mentioned to do that and it was fine. When the DPFE's short they will pull down VREF... everywhere on the circuit and usua... Trouble codes: 16 (Loss of SCP communication).
2003 Ford Explorer XLT 4.6L Unknown VIN: 1FM2U73W73
Most stated either a chain issue or viscous clutch. Tire sizes were OK. For the replies about noises, this was a noise, but it was more prominent as a 'feel'. The vehicle would jerk with each pop. I sent the customer to a transmission shop as I'm booked up and...
1998 Saab 900 S 2.3L No Start, Stall VIN: YA3DD583BW
yep, when a thermostat is stuck 'open' this will happen...wow.. hard to believe..new 'stat and a couple of miles...wahla another happy customer...thanks for your attention to this matter, Paul
2000 Toyota Celica GT 1.8L Hesitation VIN: JTDDY432T3
replaced mass air flow sensor and took care of problem. thank you to those who responded so quickly, i appreciate your help
2000 Toyota Camry CE 2.2L Excessive Emissions, MIL Lamp on VIN: JT2BG22K3Y
We put a new canister assy with a flow sensor in the car. I pulled the hose off the flow sensor and drained out about a gallon of fuel and the guage never moved from full. The canister did not seem to have any gas in it, so I am fairly certain that the overfil...
2002 Toyota Tundra 3.4L MIL Lamp on VIN: 5TBJN32172
Thank you to all that replied,i swaped the coils and cleaned the air flow meter,time will tell. Trouble codes: P0301, P0300.
2000 Volkswagen Golf GL 1.9L No Start, VIN: 9BWGP61J21
Thanks for all the great replies! I did not know that the glow plugs only operate below 40 degrees. The customer has not returned for feather diagnostics at this time, I am thinking that the problem might be low compression, due to the amount of carbon we clea...
1995 Volvo 850 T-5R 2.3L timing belt VIN: YV1LS5716S
Thank's to all of you guys .Me and two more guys was looking for any marks on the cams for like an hour,well we did not find any. What I did is ,I made my own tool to lock up the cams,wich took me like 20 mins. and work just fine .One more time thanks to all o...
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