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Prev Professional Automotive Repair Technical Discussions for April 9, 2006
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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
1995 Chevrolet Astro 4.3L Misfire VIN: 1GDDM19W5S
Hi everybody there,i have this van driving me crazy,van runs good in open loop,when goes to close loop oxygen sensor stays down to 220 mv.Purge control solenoid duty cycle is 99% at idle(not sure normal or not).The mechanic checked the distributor shaft for cr... Trouble codes: 66 (3-2 solenoid), 67 (torque coverter clutch solenois), 83 (torque converter quad drive)
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1999 Chevrolet Malibu 3.1L Poor Idle Quality, Misfire VIN: 1G1ND52J1X
Hi Techs, 1999 Malibu 3.1L came in with an intermittant misfire at idle. Mifire is between 800 rpm up to 1800 rpm then she hits all cylinders. Below 800 rpm idle is smooth. Above 1800 (approx.) she runs smooth with all cylinders online. Good acceleration witho...
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2000 Ford Ranger XL 3.0L 4x4 shift motor VIN: 1FTZR15V2V
Hello and thank you in advance. This ranger was towed in with the customer stating that he needed a clutch. I questioned him as to why he would say such a thing. His response was that he had been working the little truck to hard a week ago. And now it will no...
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1995 GMC Jimmy 4.3L lifters VIN: 1GKDT00000
3 lifters were found to be collapsed, on all other lifters, the spring in which the pushrod sits are pumped up solid. the 3 collapsed were replaced. The engine has a steady ticking noise, which does increase with engine RPM.
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1998 Jaguar XJ8 4.0L Poor Idle Quality, Surge VIN: SAJHX1240W
I have a Jag that came in due to customer reported misfire condition, however the problem does not seem to actually be a misfire. This thing "lopes" at idle like a small block chevy with a big cam. It will start fairly normal, and has plently of power going do...
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1994 Mercedes-Benz S320 SWB 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WDBGA32EBA
This car a fellow tech is stuck with at my shop. The coil that fires 2-5 cyl (second coil from front of motor) does not get a pulse from the computer to fire. We have hot, but no ground pulse. We do not have enough wiring diagrams to find where this comes out ...
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2000 Volkswagen Jetta GL 2.0L Misfire VIN: 3VWSS29M51
what am I missing? you can feel the engine miss. vantage ignition tester shows 0.5 power kv on cylinder one. cylinder 2,3,and 4 have 11-14 kv. vaccuum is low. live data on vag-com shows constant miis on one and intermit miss on 3. I feel it something mechanic... Trouble codes: P0300, P0301
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2003 Volkswagen Jetta TDI 1.9L MIL Lamp on VIN: WVWSP61J33
I am trying to get some detail on how to check codes P0673 and P0674 and what the computer is seeing to set these codes. Any help would be appriciated. Trouble codes: P0673 (Glow plug circuit on number 3 cyl.), P0674 (Glow plug circuit on number 4 Cyl.)
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2001 Volvo S80 T6 2.8L Valve Train Noise? VIN: YV1TS90D91
This Volvo has a very loud noise that seems to be the loudest at the center of the valve cover. Runs "OK" but did not drive it to speed because of the fear of damaging something. The noise sounds like it is camshaft noise due to the frequency of the sound- sou...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1984 Cadillac DeVille 4.1L Excessive Emissions, Hesitation, Poor Fuel Economy VIN: 1G6AM478XE
Several responders said to check the MAP vacuum at the sensor, it was low and slow to react to throttle. I looked at the port under the TBI unit and found it plugged with carbon. Cleaned it and runs great now. Thanks to all that responded.
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1989 Cadillac DeVille 4.5L power stays on VIN: 1G6CD5157K
Thanks for all the reply's some of you told me to do things that I posted I already checked The problem was in the drivers door controls someone jumped a wire from the seat switch to the window switch causing it to back feed
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1996 Chevrolet Lumina 3.1L rocker arm VIN: 2G1WL52M3T
Hi Well I took the engine out of the car. The owner said she could not afford to buy another good car for the price of repairing this one. On complete tear down I could still find no reason for the rocker stud to pull out.On inspection I found no indication of...
10
1997 Dodge Ram 2500 Truck 5.9L No Start, Cuts out, Stall VIN: 3B7KF23D4V
This truck is fixed. The fuel filter was coated in a black substance which I believe is from the fuel heater melt down. Replaced fuel heater and lift pump. The fuel heater had shorted out and sent material through the system. Also replaced all rubber lines at ...
5
1991 Ford F-350 Custom 7.5L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 1FDKF38J9M
fast thanks for all who reblied, second sorry for late in close, i was sick,and i ded not open internet more than 2 weeks now. any way i am ok now and pickup also is ok the problem was high ressestance in erth segnal from pcm to injectors due to derty pins , c...
14
1999 Ford Windstar SE 3.8L wipers VIN: 2FMZA5248X
thanks to every one hit it on the money it was the motor it does have a gear cover witch has the electricals in it the park signal went out on it . the motor did't know where park position is at so it would stop where ever it wanted to.
7
1999 GMC Sierra 1500 SL 5.3L Lighting VIN: 1GTEC19T5X
I again explained to the customer how the system works, I think he now believes me. I called him and he said they appear to be working now he understands the operation of the lights.
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1993 Honda Accord LX 2.2L No Start, Cuts out VIN: 1HGCB7157P
thanks guys for your input.as i said when i picked the car up it started fine.i drove it for a few days and looking at ideas from you guys.the car never cut out or quit on me so i could not properly diagnos it.seems the two common problems are ign switch and d...
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1999 Honda Accord LX 2.3L cylinder head/radiator VIN: 1HGCG6658X
I would like to say thanks to everyone who helped me with this problem. I removed the cylinder head for a second time and pressure tested it again. Once again no cracks were found. I received several replies that stated Honda is having problems with porous blo...
14
2000 Jeep Cherokee Sport 4.0L driveline VIN: 1J4FF48S7Y
thanks for the help but was not able to fix at this time.
19
2002 Lexus IS300 3.0L Mechanical VIN: JTHBD19222
After great detail of explaining this problem to our nearest lexus dealer, we dropped the car off with them. $65.00 later they told us that this is a normal thing with no repairable fix. $65 to find out what they already knew! No wonder no one ever wants to ...
7
1992 Mitsubishi Eclipse 1.8L No Start VIN: 4A3CS34T4N
found hydrocarbons in cooling system, 3000 hc ppm to be exact. 2 plugs were found to have coolant on them. customer does not want to pursue issue. thanks again everyone.
5
1995 Nissan 240SX 2.4L Excessive Emissions VIN: JN1AS44D1S
Thanks for the replies, as for the fix. The Coolent Temperature was a little low. That led to a thermostat that was stuck open. Also made a small adjustment to the idle, being that it wasn't idling at exactly the right RPM. These to items once fixed, allowed t... Trouble codes: P0325.
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1995 Nissan Altima GLE 2.4L Excessive Emissions VIN: 1N4BU31D5S
Egr function, ignition timing, plug gap, and H02s switching all checked out ok. Minhphuc and Les from Cali. suggested testing the Cat. Performed oxygen snap accel.storage test and cranking CO2 test. Did not fail miserably, but not unlike this vehicles VIR read... Trouble codes: P0400 (EGR system fault).
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1997 Pontiac Sunfire SE 2.2L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1G2JB1242V
ya well i miss wrote that describtion when i said 110 psi on compression. it was above 120 psi. but after another check i do have one cylinder a little under par. witch i believe to be the cause. told the customer that the motor is over the hill and will need ... Trouble codes: P0300.
3
2000 Saab 9-3 2.3L No Start
After doing a little more research with everyones help from iATN, I have decided to send the customer to the dealership with this car to find out if this car will fall under this recall. this car is a late 1999 and there is a question of the date code on the i...
16
1997 Toyota Land Cruiser 4.5L Turn sigs, dash, etc. VIN: JT3HJ85J8V
Customer has yet to return to complete repairs. He picked up the vehicle after the aitn post was made so I'm unable to give a correction to this problem.
8
2000 Toyota MR2 Spyder 1.8L MIL Lamp on
Hi group! Unfortunately this one is going as a no fix.The problem become intermitent, just when hot, so the customer denies further work. Anyhow, thanks for your time and replies! Regards Milos Trouble codes: 89 (Throttle motor cont. circ. malfun.), 31 (ETCS-i).
3
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