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Prev Professional Automotive Repair Technical Discussions for April 4, 2009
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
1999 Acura Integra LS 1.8L No Start, Stall, MIL Lamp on VIN: JH4DC43711
Hello all. This 99 Acura, is doing a nice one here. It came in with the MIL on, the code stated PCM Internal Malfunction. It then stalled, and would not start. Upon inspection, i saw fuel leaking from the air filter. The injectors were being commanded on all t...
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1999 BMW 740i 4.4L transmission VIN: WBAGG8330X
Vehicle came in with symptom of intermittent stereo op and "Trans. Failsafe Prog." message displayed on dash. We pulled laundry list of codes: 151 CAN brake signal, 106 Brake light switch, 41 Steering angle sensor, 106 Transverse accel sensor 102 Steerin...
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1991 Chevrolet Camaro RS 5.0L Poor Idle Quality, Cuts out, Stall
Hi Techs,I am having trouble finding out why this engine will stall when warm. We worked on this car a few weeks ago an the idle was ok. It was brought back for a tune-up,plugs,wires, Dist. cap, rotor,fuel filter,pcv valve,(cust. put this in) and now it runs v...
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2000 Chevrolet Monte Carlo SS 3.8L instrument panel cluster VIN: 2G1WX12K79
customer disconnected and reconnected battery, after that no instrument panel gauges or bulb check lights. dash illumination lights ok, check engine light bulb check ok.all powers and grounds to ipc ok. class 2 data wire has good continuity to splice pack 205....
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2007 Dodge Ram 1500 Truck ST 3.7L Starter VIN: 1D7HA16K97
This one came on the hook yesterday with a no start, no crank condition. In checking the under hood fuses I pulled a yellow cartridge with two mini fuses in it marked ORC fuse. There were no failed fuses but when I removed and replaced the ORC fuses the truck ...
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1996 Ford Ranger Splash 4.0L Oil Usage VIN: 1FTCR14X7T
Hi Everyone, This Ranger came in in January after another garage told him it needed head gaskets because there was coolant in the oil so they would not do a oil change. Although I was unable to find any coolant in the oil, the owner opted to still replace the ...
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2001 Ford F-150 King Ranch 5.4L gem VIN: 1FTRW08L21
the windshield leaked and destoyed the gem and the central fuse box assembly. will the gem i purchased from dealer need to be flash programmed? thanks in advance
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2002 Ford F-250 Super Duty Lariat 7.3L Cuts out, Stall VIN: 1FTNW21F42
Hello everyone and thanks in advance. I have this F250 giving me fits. The cust brought this thing in with a check engine lite and a stalling condition. I performed a scann and found code P1211 ICP uncontrolable and also some trans codes. I ran some diagncosti... Trouble codes: P1211
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2004 Ford F-150 FX4 5.4L Remote Start VIN: 1FTPX14594
Hey guys! Got this F150 w/ factory remote start. Worked fine, then an hour later did not work, according to customer. Everything lights up as normal, and relays in mudule are clicking as it attempts to start, but the engine does not crank. Vehicle starts and o...
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2008 Ford Expedition XLT 5.4L fire damage VIN: 1FMFU16508
This is a 2008 Ford Expedition that has been burned up in a car fire. I was wondering if anybody has seen this before? The origin of the fire can be tracked to the engine compartment but beyond that the damage is so severe little else can be determined. Thanks...
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1999 Jaguar XK8 4.0L n-1 shift VIN: SAJGX2040X
This trans hesitates when going into 1st. then engages with a jerk. same in reverse. A rebuild showed nothing broken or worn beyond its mileage. still hesitates. if left in drive it shifts fine in all gears and does not bang into gear again unless you go into ...
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2001 Mazda 626 LX 2.5L timming belt VIN: 1YVGF22DXY
car came in runing good but timming belt was slaping the case, it did not jump time. found tensioner failed. r and r belt, idler pullys, tensioner and hydrolic tensioner. test drove great, no noise then... no power ... then a chain saw noise. timming belt exit...
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2000 Mercury Villager (Van) 3.3L Poor Idle Quality, Cuts out, Stall VIN: 4M2XV11T8Y
Vehicle came to me after another mechanic had done timing belt and then replaced engine with used one. Engine runs like ignition timing is off, bucks and jerks during cranking and when started, won't idle on it's own but when run above 1000 RPM, smooths out bu... Trouble codes: P1320 (Man Controlled Ign. System or Misfire), P0325 (Knock Sensor Bank 1)
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1998 Plymouth Voyager 3.0L Hesitation, Stall VIN: 2P4FP2536W
This vehicle arrived here last week customer states that engine will die from stops at heavy acceleration light acceleration can get to speed once at speed seems ok always restarts and idles fine sometimes cold starts are slow to start cranks good
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2002 Pontiac Grand Prix GT 3.8L No Start, Hesitation, Surge, Stall, MIL Lamp on VIN: 1G2WP12K82
I received this vehicle and had a ses light on and cuts out stalls and it doesn't have a real pattern though. I checked codes and found a P0102 MAF frequency code. I checked the grams per second on a throttle snap and would only go to 50 grams per second and s... Trouble codes: P0102 (maf frequency)
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1997 Subaru Legacy Outback 2.5L head gasket VIN: 4S3BC6851V
Hey Guys!! I have a little problem and I know I can relie on IATN for help!! I am on vacation and my car decided to blow a head gasket Yippie!!! any way I need to get the torque and sequence for my 2.5 DOHC Subaru engine. My E-Mail address is [...]@yaho...
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1995 Volkswagen Jetta Celebration Edition 2.0L will not start VIN: 3VWWC81H2S
customer bought car vw jetta 3 used and the sunroof was not working customers husband took cover off sunroof and found it unplugged easy fix right.. wrong after plugging up the sun roof the vehicles flashers started flashing and then the car had entered safe m...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 Acura TSX 2.4L MIL Lamp on VIN: JH4CL96894
The customer picked up this vehicle and i dont have the fix but i did check the crank sensor trigger plate and it was on properly. the only posibility left that i can see is that the computer may have got confused while doing a crank relearn while having 2 bad... Trouble codes: P0341.
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2001 Audi A6 Quattro 2.8L cel VIN: WAUEH64B11
My question originally was could a stuck open coolant thermostat, engine warming up too slowly, cause precatalyst efficency codes to turn on the CEL on an Audi. The precats are just off the manifold. Most replied no and I would agree, as the catalysts are warm... Trouble codes: P0421 (16805 Warm Up Catalyst Bank 1 efficiency below threshold), P0431 (16815 Warm Up Catalyst Bank 2 efficiency below threshold), P1296 (17704 Malfunction in cooling system sporadic).
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2007 BMW 525i 3.0L Cooling Systems VIN: WBANE53567
First, The electric waterpump runs all the time engine running. However the pump runs at different speeds, even slows down to a stop when in BLEED mode! This is what I heard and this is normal. I replaced the pump, much smoother now and known to leak and set c...
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1995 Cadillac DeVille 4.9L No Start, Stall VIN: 1G6KD52B7S
I replaced ICM (AC Delco) and still have the same voltage above ground readings. I left the car running and it stalled and would not start. Noticed cooling fan was staying on with koeo. I then checked reference voltage to tp sensor (ok) Signal return was aroun... Trouble codes: P0053.
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1994 Dodge B250 5.2L Hesitation, Misfire VIN: 2B4HB25Y2R
Okay, still not fixed, but I can tell you what it isn't. 1) There is no vaccum in the crankcase so it is unlikly to be an internal intake leak. 2) Crank, cam, TPS, MAP,and O2 are okay. (Tested with known good) 3) Distrbuter is in sync and drive bushing ...
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2000 Dodge Intrepid 2.7L Poor Idle Quality, Hesitation VIN: 2B3HD46R3Y
Sorry I dont have the answer yet, The young lady is difficult to get a hold of to get the vehicle back in here. I will try to get it in here within the month and try some of these suggestions. The scan data and a few suggestions from you techs have me leaning ...
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1987 Ford F-150 Custom 5.0L Poor Idle Quality VIN: 2ETCF15N6H
Thanks to every one for your suggestions. We found that the intake throttle body was badly carboned and cleaned it up which made the idle better but not good enough. After decarbonizing it there was a vacuum whistle which was found to be the throttle shaft. Mo...
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1999 Ford Windstar LX 3.8L Poor Idle Quality VIN: 2FMZA514XX
Thanks for all the helpful replies. Vehicle had previous flood damage and several connectors and wires were corroded. Customer decided he wasn't going to put any more money in it. Trouble codes: 1131 (Lack of HO2S-11 Switch Sensor Indicates Lean), 1137 (Lack of HO2S-21 Switch Sensor Indicates Lean), 1151 (Lack of HO2S-21 Switch Sensor Indicates Lean), 1157 (Lack of HO2S-22 Switch Sensor Indicates Lean).
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1999 Ford Expedition XLT 5.4L Cooling Systems VIN: EXPEDITION
Found left side intake gasket didn't go far enough around rear coolant passage and would leak as soon as coolant was put in. After r&r intake a few times removed tabs that held gasket in place so I could move it forward a touch and used rtv around coolant pass...
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2002 Ford E-450 Econoline Super Duty Custom 7.3L oil pan VIN: 1FDXE475F9
Many thanks to ALL who replied. Quite a varied response to this procedure. After seeing what everybody wrote , the next one I get , I will probably pull the trans, remove fan shroud & some stuff on top of engine to give clearance- lift the engine- remove the p...
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2004 Ford F-150 FX4 5.4L Starting VIN: 1FTPX14554
Yes this truck is fixed and gone.I found some burned wires under the drivers door on frame rail at connectors,that was probably caused by a shorted fuel pump driver module.(module burnt and caught on fire).THANKS FOR YOUR HELP IATN
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2004 GMC Sierra 1500 SLE 4.3L MIL Lamp on VIN: 1GTEC14X04
thanks for the replies cust took truck and has not returned yet we replaced k n filter with oe filter and code still came back rechecked for vacuum leaks found none we are going to replace pump on booster when cust returns we will post update after repair Trouble codes: P0171, P0174.
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1992 Honda Civic DX 1.5L No Start VIN: JHMEG864NS
THANKS TO ALL THAT HELPED WITH THIS PAIN OF A HONDA. IT SEEMS THAT IT ALL CAME DOWN TO THE COMPUTER BUT THE CUSTOMER HAS DESIDED NOT TO REPAIR IT NOW DO TO THE COST OF A NEW COMPUTER...AGA8IN THANKS TO ALL THAT HELPED...
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2002 Hyundai Elantra GLS 2.0L coils VIN: KMHDN45DX2
Thanks for all the good info. we got a used ecm from a salvage yard and pluged it in and it started right up. we did replace the spark plugs because they were gas soaked. we did not know why the coil drivers took a dump so we also replaced the coils as well.
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1996 Jeep Cherokee Sport 4.0L no communication VIN: 1JFT68S1TL
unplugged all sensors and modules one at a time until found the problem. abs control module under dash has internal short. customer did not want to fix so i pulled the fuse so he could get vehicle inspected after monitors cleared ready. what a pain in the arse...
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1998 Jeep Grand Cherokee TSi 5.2L abs VIN: 1J4GZ58YWC
Hello everyone and thanks for the help on this one. Another used CAB did the trick. I guess it was bad luck to get a couple bad ones, or maybe they are just junk...who knows. I recieved excellet replies about wiring problems near the radiator support and th...
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2004 Lincoln Navigator 5.4L Starting VIN: 5LMFU28R44
Thanks for the help. I was concerned because of the customer telling me he had screwed with the vehicle electrical system. Ended up being totally unrelated. Ended up being a corroded connector and digital transmission range sensor (Glorified neutral safety swi...
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2000 Mazda Protege DX 1.6L 2-4 shifts VIN: JM18J22284
Well first of all thanks to the people who replied, this one got me fooled, a couple of replies suggested checking the end cover of the transmission it was an ease check because you dont have to pull the trans. out. when I pulled the cover off I found a surpri...
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1980 Mercedes-Benz 450SL 4.5L Poor Idle Quality, Hesitation, Stall, no power VIN: WDB1070441
The problem with the car turned out to be the warm up regulator. It was restricting the fuel return and causing too much pressure in the fuel distributor chamber. Thanks to everyone!! I found a place in California that rebuilds them for a very reasonable fee.
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1994 Mercedes-Benz S320 SWB 3.2L No Start VIN: ADB1400326
Thanks to all that have replied.Common problem seems to be crank sensors... In this case it is the EZK unit and the client has opted to have someone else open the unit to try and repair it, as the new units price is a joke.I will post, if the vehicle is runnin... Trouble codes: 08 (Reference signel from EZK unit- no signal), 24 (Cam timing valve 1 short circuit).
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2000 Mitsubishi Montero Sport Limited 3.5L MIL Lamp on VIN: LA4MT41R6Y
I HAVE REPLACED THE 2 UPSTREAM 02 SENSORS AND THAT WAS THE WHOLE THING.THANKS FOR ALL THE REPLIES GUYS. Trouble codes: P0173.
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