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Prev Professional Automotive Repair Technical Discussions for July 15, 2007
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Open Help Requests for All Makes and Models
Help Request Answers
1998 Buick Park Avenue 3.8L air flow direction VIN: 1G4CW52K3W
I have a problem with this Buick with air flow at a constant out of the defroster vents. Everything I have seen through IATN is that this part of the system is operated by vacuum. I have spent a long time looking for vacuum lines near the battery and have foun...
1996 Cadillac DeVille 4.6L Cuts out, Stall VIN: 1G6KD52Y2T
the caddy came in the shop with a stalling and cuts off complaint it would read "service fuel system"on info center in car each time it stalled and would take about 30 min before it would start or it would blow out the fuel pump fuse. i checked the fuel pressu...
1987 Chevrolet Camaro Z28 Iroc-Z 5.7L rear hatch latch VIN: 1G1FP87FXG
hey Gm techs,HELP!!! I have a 1987 IROC z with an electic rear hatch that unlocks,motorizes the latch assembly upward, then gets stuck. I did notice the hatch pistons are weak,and it may be putting too big of a load on the latch. I have to use the key to open ...
1999 Chevrolet K1500 Suburban 5.7L rear ac VIN: 1JG1231231
Hi to all, first sorry for the vin I am posting this from home. Second not sure this is right place for this request but here goes. Cust brought car in saying ac blowing warm. I charged system and added dye. The leak is in rear ac lines in front of rr wheel. I...
2004 Chevrolet Express 3500 6.0L Misfire, MIL Lamp on VIN: 1GBHG31U44
hey guys. i am thinking i have a valve prob here? has any one run in to carbon build up on valve stems that keep them from closing? i have 130 lb on a crank comp test , and on a run test 0 lb with an ocational bounce in press. to 50 lb. when i rev it it will b... Trouble codes: P0307, P0300
2000 Ford Crown Victoria 4.6L Mechanical
Hi this is the first ford modular engine that i have built.just a quick question about the fasteners. the rods and main bearings have a torque to yield spec. should they allways be replaced like the head bolts? thanks
1994 Lexus LS400 4.0L left front door VIN: JT8UF11E7B
Hi guys, this car belongs to my wife, so I really have to get this done. The left front door latch will not unlock. I have tried to do it with the key and from the inside. It feel like the latch is bad and will not unlock, I took out the top seal on the door a...
2001 Mercedes-Benz ML320 3.2L No Start VIN: WDC1631542
New customer is a friend of another client. We don't have diagnostic equipment for Benz. Intermittently engine auto cranks but fails to run, as if immobilized ?. After repeated attempts, the engine starts and runs normally. Owner only has 1 key. Owner advises ...
2002 Mitsubishi Lancer ES 2.0L Stall VIN: CS5-031055
hi guys i need the repair manual on this one. Got the above code and attempted to replace the affected sensor, but with the same result. Any help with this one is appreciated. thanks much Clinton Trouble codes: 0190 (Fuel pressure sensor)
2000 Nissan Frontier SE 3.3L MIL Lamp on VIN: 1N6ED27Y2Y
has anyone gottin these codes on a nissian before such as these have had this truck before for regular brake maint. and oil changes but noticed origanal plugs wires ect.any help thanked ahead of time. Trouble codes: P0325, P0440
1986 Pontiac Firebird 2.8L fuel pump VIN: 1G2FS87S4G
I have 1986 firebird that has no voltage at fuel pump. I cannot find the fuel pump relay, prime connector, and wiring diagram shows a fuel pump switch w/ 2 wires going to it a hot at all times orange wire and coming out is a tan/white wire, not sure where it i...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1996 Acura RL 3.5L Readiness Status VIN: JH4KA9651T
After going through all available data the PCM was not able to process O2 sensor data properly in order to pass or fail the monitors as needed. Dealer installed PCM repaired this problem and created another EVAP monitor not running ( This is a software glitch ...
1995 BMW 318is 1.8L Excessive Emissions, Poor Fuel Economy VIN: WBABE5319P
thx everyone. It turned out to be a cat. that was creating back pressure. as most of you suggested. the car ran for a week with no problem at all.
2001 BMW 330i 3.0L No Start VIN: WBAAV53461
unfortunately we were un able to duplicate customers no start condition.we inspected for vaccum leaks.cleared fault code and dove the vehicle for 3 days.vehicle ran prerfect and no codes reset.we returned vehicle to customer,called customer after 1 week.custom... Trouble codes: 227.
2002 Chevrolet Astro LS 4.3L Misfire, MIL Lamp on VIN: 1GNDM19X82
Finally found this one.The engine was a remanfactured one from advance auto parts. after pulling the valve cover off again just to check those things over I decided to pull the rocker arms off. Upon inspection found where the bolt goes through the rocker that ... Trouble codes: P0300.
1997 Dodge Ram 2500 Truck 5.9L Temperature VIN: 1B7KF26D3V
Thanks to all who replied, unfortunately after reviewing all help requests, vehicle is currently at a dead end. replaced thermostat with cummins unit, checked and confirmed fan clutch operation, flow checked radiator and cooling system, diassembled and inspec...
2001 Dodge Intrepid SE 2.7L engine VIN: 2B3HD46R81
ok, first thanks to all that replied. thanks donald from ca. and don from mass. i remembered that a friend of mine has the same make and model, so i looked at his and found that there is a missing air damn and shroud. the second problem i found was one that ...
1992 Honda Prelude Si 2.3L Poor Idle Quality VIN: JHMBB2150N
Kudos to Jack from Maryland. After adjusting base idle down to 550-600 rpm and installing the P13 ECU the surge was minimal. With it running almost normal at that point I found a pinhole leak in vacuum hose #8 at the top of the intake. Now the idle is stable a...
1989 Jaguar XJS 5.3L Electric locks VIN: SAJNA5840K
The first reply, that said to lubricate the lock mechanism well, suggested what I had already done. After a night of penetrating, the locks worked as good as new. So, the need to penetrate deeply to places the aerosol lubricant wouldn't go immediately was the...
2001 Jeep Grand Cherokee Laredo 4.0L 1-2 shift VIN: 1J4GW48S21
After the lastest info I received from everyone, it would appear that an internal seal is leaking. Given the mileage, I recommended a Chrysler reman trans. Customer is on the fence whether to fix it or dump it, and time is running out on this help request. If ...
2000 Land Rover Discovery Series II 4.0L No Start, MIL Lamp on VIN: SALTY1242Y
Thanks for all of your help. Jim from New York hit it on the head. the spacers were on the inside of the sensor. The reason i ground down the sensor spacer was because of an old post i found on iatn. Trouble codes: P0103, P0105, P0106.
2001 Nissan Frontier SE 3.3L cd changer VIN: 1N6ED27Y51
Well, as luck would have it, the cd changer in my wifes Jeep Grand Cherokee went out the same week. After pricing the replacement/repair of both units I decided that replacing or fixing either was not a good deal since they would cost about 300.00 each and onl...
2004 Nissan Sentra 1.8L No Start, Cuts out, Stall VIN: 3N1CB51D44
The problem Was timing chain. I dont understand because on my scope in dual channel the signal was synchronise and if i play with crank signal the car is ok. i change timing chain and tensionner and everything is correct. Thank's to every body
1999 Plymouth Breeze 2.0L Hesitation, shutter VIN: 1P3EJ46C2X
Thanks for all the help, but the car is still not fixed. I talked to a man I know that worked at a Dodge dealership and he suspected a computer problem. Related info to customer and she chose to not put it in at the time. If she decides to fix it at a later...
2002 Pontiac Grand Am SE 2.2L No Start VIN: 1G2NE52F32
not sure if this one is fixed yet . replaced wire to fuel pump with no change in status, replaced fuel pumprelay with no change . tried letting car heatup insun without pcm in ,plugged in pcm still no start when hot ,tried heating up car without bcm,still no c... Trouble codes: U1000.
1996 Toyota Camry LE 2.2L MIL Lamp on VIN: 4T1BF12K0T
Vehicle owner is on vacation, when he returns I will post the fix! I had many replies to replace the Oxygen sensor, the heater in the sensor was not open and resistance was in specs.I believe this vehicle does have a wiring ptoblem. Like I said I will post the... Trouble codes: P0135 (Heated Oxygen Sensor bank 1 Sensor1).
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