Automotive Technicians Technical Discussion and Fixes for Feb 10, 2007

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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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	Help Request	Answers
	1999 BMW 323i 2.5L door locks VIN: BMW1999323 This Beemers doors will not unlock either with the remote key or at the drivers door lock.We fished a rod thru the door to push central door lock switch and it is inop as well.Seems that locks are in the double lock position and the mechanical unlock feature h...	View
	1996 Cadillac DeVille 4.6L No Start Howdy GM tech's.Got a quick question for you.I have a '96 Deville in which the IPC was replaced with a used unit because the face went blank.The anti-theft kicked in and the car would not crank or start.Upon reprogramming the the new dash with the GM SPS anti-... Trouble codes: 1632 (Theft Deterrent Fuel Disable)	View
	1996 Chevrolet Caprice Classic 5.7L MIL Lamp on VIN: 1G1BL52P1T The 410 AIR code with engine light keeps coming on. tried replacing all AIR parts. Reads code PO410 then I clear it. Later it comes back. Tried replacing AIR pump and all AIR check valves. Still comes back again and again and again. Any help would be appriciat... Trouble codes: P0410	View
	1998 Chevrolet Blazer 4.3L Excessive Emissions, Misfire, MIL Lamp on VIN: 1GNDT13W9W Ok everyone this one is winning the battle against me.Vehicle came in with mil lamp on with codes po151 and po300.ck o2 sensors found bank 2 sewnsor 1 was at .4mv hot replaced sensor and it was reading ok untill it warmed up then it started to drop out to neve... Trouble codes: P0151, P0300	View
	1999 Chevrolet K1500 Suburban 5.7L radio VIN: 3GNEK16R7X does this vehicle really have retained accessory power, the radio stays on till you open door but battery is draining. icaught the radio coming back on again after the door is shut, i checked all the door jamb switches and when i got to the last door (left rea...	View
	2000 Chevrolet Silverado 1500 5.3L steering box and/or steering pump VIN: 1GCEK19T9Y Customer had 100 miles away whe he lost power steering. Said he looked under hood, belt was on, no leakage apparant. When I got it, after he drove the 100 miles with no powe steerig, the return hose was off and no fluid in system. Put a reman AC Delco sreering...	View
	2000 Chrysler 300M 3.5L valve train VIN: 2G3HE66GOY the girl that owns this car says that she came out to go to work and it wouldnt start.it ran fine the night before.towed to my shop .cranked over very freely.pulled timing covers to discover pieces of timing belt everywhere.replaced belt and pump,still no comp...	View
	2001 Chrysler Town & Country Limited 3.8L Unknown VIN: 2C8GP64L11 van came in with mil on and customer complaint that twice in last month came to stop and van when into neutral by gear shift and had to manually pull shifter back into drive. i never duplicate problem possible customer did not have shifter in drive all the way...	View
	2002 Dodge Ram 2500 5.9L fuel gage VIN: 3B7KF23C52 we have a fuel gague that reads full on start up then works its way to empty and stays there. we have a new sender and same results. with a fuel meter simulator dash gage reads normal. tried another sender, yep, same results, please help thanks	View
	1986 Ford Ranger 2.9L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire Replaced in tank fuel pump for no start. High pressure pump ok. Now have 35-40 psi at rail. Injector pulse on #1 and # 3 is good. Spark from coil is good at 40 kv. Spark from wires is intermittent. Wires ohm out at less than 1500 ohms. New plugs in suspect cyl...	View
	1991 Ford Tempo GL 2.3L No Start VIN: 1FABP35X4M Please dont beat the VW guy up too bad. A good VW customer brings me his wife's 91 Tempo (2.3 VIN X, Auto). She cant get it to start in the bitter cold weather (-15*Celsius) after an overnight or a lengthy daytime sitting spell. The car cranks well and begin...	View
	1997 Ford F-250 7.5L Excessive Emissions VIN: 3FTHF25G9V Hey Guys... haven't posted in a few years now. Working for the Los Angeles Fire Dept. We have a fleet of 1997 F250's with 7.5L V-8's. Federal Emissions with the 8600 LBS. package. ALL of these trucks fail NOX. Not one of them passes with even only 7500 miles...	View
	2003 Ford E-250 5.4L Surge VIN: 1FTNE24L43 Have checked through numerous History files here on IATN and did not see anything close to what I have at this time. This vehicle will accelerate okay, but at cruise and on deceleration, it will buck and chugg (Intermittently). Fuel trims appear normal and oth...	View
	1999 GMC Yukon Denali 5.7L Starting VIN: 1GKEK13R4X I am seeking suggestions that I may choose from if I have to attempt a repair without a symptom, only a description of what has happened to the owner outside of the shop.	View
	2001 Honda Civic EX 1.7L No Start, VIN: 1HGEM229X1 no start problem we check codes no codes check crank sensor does not given any singal all + and - are there. but honda dont stock it they have not sold one	View
	1999 Jaguar XJ8 4.0L Electronic customer transmission lost forward gears,customer towed vehicle to local dealer which recommended replacing trans. we are asking for help in locating a source to supply a rebuilt exchange transmission for this customers vehicle,or is oem dealer our best bet.De...	View
	1991 Jeep Cherokee Laredo 4.0L Poor Idle Quality, Stall, MIL Lamp on VIN: 1J4FJ58SXM Customer towed in this vehicle after his neighbor had installed the battery incorrectly.(Negative to positive and vice versa.) Unfortunately both cables are color coded red. The PCM was found to be dead and we also found a blown 60amp fuse to the alternator an...	View
	1995 Jeep Wrangler Rio Grande 2.5L engine VIN: 1J4FY19PXS This jeep was starting hard then running good, sometimes rough,like the choke was on. very black smoke and skipping.checked the fuel psi good(31) and 8psi higher w/ hose off regulater,good lots of codes, replaced everything w/ codes, or that didnt read inspec,...	View
	1998 Jeep Grand Cherokee 5.9 Limited 5.9L Engine VIN: 1J4GZ88Z7W This is a 360 Jeep Grand Cherokee. I have had the engine and heater core flushed and changed the thermastate. The electric fan is operateteing and a presure check shows no leaks. However after operateing normaly for 10 miles or so the temp gage creeps up and p...	View
	2000 Mercedes-Benz SL500 5.0L No Crank VIN: WDBFA68F8F Vehicle towed here from another shop. Apparently battery was jumped incorrectly. Found erratic cluster indicator light behavior and no cranking. Traced cluster problem to open d+ circuit in alternator, replaced, now ok. I cannot communicate with any systems on...	View
	1999 Mercury Mountaineer 5.0L set code VIN: 4M2ZU55P4X Here is short one truck came in with abs lite coming on only when pulling into parking space! lite comes on then goes right out. What we found was code B1485. We have no listing on this code in our info system! Any help would be great. thanks alot	View
	1997 Nissan Pickup SE 2.4L timing chain VIN: 1N6SD16S5V hello, i just picked this truck up as a third vehicle. it has been very well maintaned, but has a timing chain rattle for about 2 seconds on cold start. i had originally considered this normal, but after searching the fix database there were some references t...	View
	2000 Nissan Sentra XE 1.8L suspension VIN: 1N1CB51D1Y Going over a bumpy road there is a noise that sounds almost like the brake pads rattling. This however is not the noise as with the brake applied going over a bump the noise is still there. I also installed new pads and the shims are fine. There was a nissan b...	View
	2001 Nissan Sentra GXE 1.8L Surge VIN: 3N1CB51D41 after repairing dip stick tube and oil problem customer mentioned surging problem checked comp. for codes non present surging only occurs at 1600 to 1800 rpms. checked tps readings they where good i can unplug one half of tps and problem goes away but still wo...	View
	2001 Oldsmobile Silhouette Premiere 3.4L Starting VIN: 1GHDX23E01 I have a no start. The starter is good.What I know is that turning the key on, everything works except on the insturment cluster I have on mileage, PRND321, or info. The check engine light and seat belt light or on. The turn signals and bright light work. Also...	View
	1998 Pontiac Trans Sport 3.4L Reverse Thanks in advance for any help on this, My father in laws van has just developed a shudder/ratcheting in reverse. I serviced the trans at 90,000mi and there was no metal to speak of on the magnet and normal clutch material in the pan. The fluid color is slight...	View
	2000 Pontiac Montana 3.4L Front suspension VIN: 1GMDX03E5Y This van has a noise coming from the left front that sounds like the strut mounting plate binding. It only happens at slow speeds doing a hard turn, such as parking in a parking stall etc. I can make it do it going both forward and back. Have checked for small...	View
	2001 Pontiac Grand Am SE 2.4L Poor Idle Quality, Poor Fuel Economy VIN: 1G2NF12T81 cannot get car to idle aney slower then 1500rpm.tp reeds 12% .59 v have tryed to set to 0%but noluck. iac count65. map .75v 7.08 inhg. long term -15% car is warmd up.02 is good and switching well.Has new intake gasket,tryed new iac,new tp,no vacuum leaks.remov...	View
	2004 Pontiac Grand Am SE1 3.4L MIL Lamp on VIN: 1G2NF52E94 one of my customers called me to fix this problem after another shop replaced egr valve with a new factory unit and also claimed to have cleaned egr ports. i can see a new plenum gasket which does tell me that they probably did. this code has come back everyti... Trouble codes: P0401	View
	1998 Subaru Legacy Outback 2.5L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 4S3BG685XW Hello Friend I have this 1998 Subaru legacy, 2.5 Liter twin Cam Lt.Standard Transmission, which ncame in with service light on and engine stalling sometimes. Used Modis and found code P1507, I cleaned the IAC control unit, cleared code and engine run fine unt... Trouble codes: P1507 (IAC control Valve), P0261	View
	1986 Toyota Pickup 2.4L Hydraulic System VIN: JT4RN63R0G This truck came in with a complaint of an occasional high, stiff pedal accompanied with reduced braking force. Could not verify this problem on test drive. Booster and check valve are working properly and retainig vacuum. I replaced the master cylinder, bled t...	View
	1997 Toyota Camry CE 2.2L Cuts out VIN: 4T1BG22KXV customer brout the car with a cutoff problem after an inspection we decided to change the t.b.i with the idel speed control. but the problem steel exist, fuel pressure always o.k,the problem occures if i leave it for about thirty minutes or some time more, or ...	View
	1998 Toyota Avalon XL 3.0L Ignition sw. VIN: 4T1BF12B1W The nearest Toy dealer is 100 mi. away and customer is a friend so I am trying to help him out. I do not have Import data. The ignition switch will not turn from Lock to Acc. It goes about half way to Acc. then stops. I checked the key and it works in all othe...	View
	1997 Volkswagen Jetta GL 2.0L No Start VIN: 3VWSL81H7V Hello fellow techs! I need your help on this Volkswagen which got towed for oil pump change coz oil pressure regulator was stuck and oil was leaking through the oil filter gasket everytime we used to put the new oil filter. the oil pressure was too high. After...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2003 Acura TL Type-S 3.2L transmission VIN: 19UUA56853 Thanks to all who replied. I did look into service bulletins and found one. Bulletin 02-027 Warranty Extention: 3.2TL & 3.2CL AUTOMATIC TRANSMISSION.3rd Gear Clutch Pack is worn.Vehicles Affected are 1999-02 3.2TL:ALL. 2003 3.2TL(except type s)From Vin 19UUA5....	8
	2004 Cadillac Escalade EXT 6.0L tpm sensors VIN: 1JU7459302 Thanks so much to everyone who replied!!! It was more than enough responses to get my owner to switch to what most of you said, and that being soap and water. I don't do many tires but am responsible over the techs. As I watched them I could see that they are ...	15
	1990 Chevrolet K1500 Cheyenne 5.7L Speedometer VIN: 1GCDK14KXL I did a bunch of calling and searching of the service connector([...]). Finally found a dealership that had one. I bought it and looked at it to see what it does. You plug it in to the back of the speedo and touch the two wires to the battery terminals. It ...	4
	1994 Chevrolet Lumina 3.1L 3-4 shift VIN: 2G1WL54T1R Thanks a lot for all the replies it turned out to be the 4th gear pressure swich in the pump body I used a led circuit tester to back probe the harness and when the solenoid was commanded on the switch did not go to ground removed the side cover and replaced t...	12
	1998 Chevrolet C3500 Cheyenne 7.4L Fuel gauge VIN: 1GBKC34J8W I appreciate your replies to this problem. This truck has ECM issues that need to be addressed. For now I took the front tank wire (bl/wt) and crossed it with the rear tank wire(bl)and added .160 ohms (approx) resistance to ground then connected them to the se...	4
	1998 Chevrolet S10 2.2L Hesitation, Misfire VIN: 1GCCS1449W well guys i was unable to get this one figured out even with all the help i recieved from here like the converter and idle air motor and egr, so i sent it to the dealer and im awaiting the verdict once i get it ill advise, thanks again for all the help.	17
	2005 Chevrolet Impala 3.4L ims VIN: 2G1WF52EX5 This one was caused by rats chewing wiring to the Internal manual select switch or IMS. It was in the harness behind air cleaner houseing. One of those weird ones. Thanks to the 3 that replied.	3
	1990 Ford Taurus L 3.0L battery VIN: 1FACP55U6L Sorry no fix on this one. The customer did not want us to spend any more time on the vehicle. Thank everyone for their sugestions.	11
	1996 Ford Explorer Eddie Bauer 4.0L blend door motor VIN: 1FMDU34X5T Hello again, We recieved 5 responses to this and the general concensus is that this is normal. We have replaced these in the past but we did not remember them being this tight. We did center the blend door motor before mounting it to make it a little easier th...	6
	1997 Ford F-350 XL 7.3L lack of power VIN: 1FTJX35F5V I rechecked everything. manifold gauge psi was [...]. Had son follow me in his hopped up chevy pick up. looking for any smoke none. he couldn't hardly keep up. I don't think anything was wrong eccept the chip.I'll let you know if i find any thing else.T...	9
	2002 Ford Explorer Eddie Bauer 4.0L 4x4 system VIN: 1FMDU74E92 Installed the new module we had ordered, and definately took care of problem. Thanks for all the feedback.	6
	1987 Jaguar Vanden Plas 4.2L Hazard/turn signals VIN: SAJAY134XH Thanks to the many people who sent me the accurate wiring scheme for the hazard switch. I don't know if I made the diagram with the order reversed (1)8 or 8)1), but, with the correct order of connection, the hazards and turn signals worked. There was one glitc...	13
	1994 Lincoln Continental 3.8L Hydraulic control unit VIN: 1LNLM9749R Thank you to all for the responces, Replacing the Proportioning valve allowed brake fluid to flow to my rear wheels.. But, had to remove ABS pump relay due to intermitten activation of abs on stops since the valve replacement. I was unable to replace the abs s...	4
	2001 Lincoln Continental 4.6L Stall VIN: 1ST3FR409R hi all i wish i could call this car fixed but can't and the owner took it and will drive it till it becomes more of a consistant faulure so we then can have it bac most replies were cranksensors and idle control i did replace the idle control motor but that wa...	9
	1997 Mercury Cougar XR-7 4.6L No Start, Cuts out VIN: 1MELM6ZW7V Thanks for the replies. I replaced the crank sensor connector but this was not it this time. After heating pcm three times and it starting each time we replaced the pcm yesterday. It is -2 this morning and it starts perfect with new pcm and no heat. It took a ... Trouble codes: P0320.	7
	2004 Nissan Sentra 1.8L Hesitation, MIL Lamp on VIN: 3N1CB51DX4 OK Most of you were right about the power train warranty. It is 5 years,60000 miles. It is true that the throttle body assembly needs to be changed. They did offer me a part#22620-4M511 TPS by it self. I have not tried to install it yet. Waiting for the next o... Trouble codes: P2135 (t p s).	10
	2001 Oldsmobile Silhouette Premiere 3.4L defrosters VIN: 1GHDX03E41 Well, this ones fixed. I got excellent responses, checked on all of them, and here is what I found. Most replies said check the ricirc door for proper operation, which I did while changing the cabin air filters, another suggestion. With filters out, its easy...	11

(Also Available: All, Asian, Chrysler, European, Ford, GM.)