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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 19, 2006
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Chevrolet Cavalier LS Sport 2.4L Poor Idle Quality, too high VIN: 1G1JH12T22
I hesitate to post this request because the customer is from out of state and only comes in on weekends to visit. I am down here on a Sat just to look at this problem for him. He has an excessively high idle (approx 1250 rpm). This problem was in the vehicle f...
2002 Chrysler Town & Country LXi 3.8L Blower Motor VIN: 2C4GP54LX2
Blower Motor Is Always On High Speed Even When You First Start The Vehicle
1994 Dodge Viper 8.0L Excessive Emissions, Poor Idle Quality VIN: 1B3BR65E3R
Hey Viper techs, I need help.Original engine ran low on oil and spun 2 rod berings.Car still ran good. Thought best course of action to install used engine.Engine came compleat with all sensors injectors wire loom etc.Wire loom pluged right in.Noticed some dif...
1989 Ford F-150 Custom 5.0L no spark VIN: 1FTEF14N5K
cant get spark.theres power to distributor and to the coil when ingnition is on run position. from what was told from good soures that it ran well they had sripped the bolts in the thermastat houseing so gonna replacer lower intake well they took it apart coul...
1992 Ford Tempo GL 2.3L Flexplate VIN: 2FAPP36X9N
I have replaced the Balancer already on this car before because it was clattering. Now its back and at about 1500-2000 rpm only after its warm it sounds like the ring gear teeth rub momentarily on something inside the bell housing. Is it possible that the thru...
1995 Ford F-250 XL 7.3L Poor Idle Quality, Stall VIN: 2FTHF26F8S
Hi there, This truck came in with a no start when hot and no power. With the help on everyone here we found high psi oil pump bad and replaced o-rings. Problem fixed. Now customer came back and truck will start and idle for a few seconds and then die and has ...
1996 Ford F-250 XL 7.3L No Start VIN: 1FTHX26F6T
Hello need help on this 7.3 .All scan data while cranking looks normal except for injector pw 0.4,icp 250-350.disconnected icp to put in default.scan data on icp went to 2439 while cranking,still no start.The truck did start once with icp disconnected but no a... Trouble codes: P1283
2001 Ford E-150 Econoline 4.2L ABS Lamp VIN: 1FTRE14251
Hello again, and thanks in advance for your help. This E150 has the ABS and Brake warning lamps flashing at all times. The ABS light comes on, then the Brake lamp, then they will go out in the same order. About a second later, it does it again. I have no commu...
1997 GMC K1500 Sierra SL 5.7L brake pedal VIN: 1GTEK19M7V
Hello, I have inherited this truck after several other techs have been working on it. It came in with soft brake pedal (like there is air in the system), and the ABS light was on. They power bled the system, and read the codes. The code was for the front wheel...
1991 Lexus LS400 4.0L dash lighting VIN: JT8VF11E81
Hello, I have a 91 lexus es400 with no dash backlighting. The gauge needles do light up normally. but the rest of the cluster is dark, any help would be appreciated.
2002 Mercury Cougar 2.5L Excessive Emissions, Hesitation, Surge, Cuts out, Misfire VIN: 1ZWFT61L12
This car missfires under load like a plug wire ign. patterns are same on all cylinders not only one is effected. Air fuel ratio indicates lean mixture with a 16-1 ratio. We replaced fuel pump and filter with ford parts and still the same thing. Wondering about...
1987 Nissan Pulsar NX XE 1.6L Surge VIN: JN1PN34S0H
Hey- I hope someone can help me on this one. This car was given to a friend with this problem and I'm trying to help out. It idles great but won't rev over 2500 rpms. On a test drive it bucks and jumps very badly. While trying to rev under hood it does great i...
1999 Plymouth Grand Voyager Expresso 3.3L Poor Idle Quality, Misfire VIN: 1P4GP44G8X
Dear Technicians; Back with another Contankerous Chrysler product. This van came in a couple weeks ago with the complaint that it jerks when idling in gear or creeping along at a drive through. We scanned it (no codes); and scoped it. The wires & coils looked ...
1994 Pontiac Bonneville SE 3.8L alternator VIN: 1G2HX52L1R
Okay, here we go. I have this 1994 Bonneville and it is eating alternators. My problems started when I noticed my "check gauges" lite illuminated and volt gauge was below 11 volts. I limped home and checked alternator output and battery voltage. At the alterna...
1997 Pontiac Grand Am SE 2.4L inlet neck VIN: 1G2NE52T2V
Hello GM techs. I have a 97 grand am with an intermitent coolant leak from the inlet neck on left side of head. I have replaced the neck and o-ring and it was fine for about a month or so. car is back, leaking in the same spot. Funny thing is there seems to be...
2002 Pontiac Grand Am SE 3.4L starter relay / ecm VIN: 1G2NF52EX2
i have tow this car in 3 times for the same problem in last 3/4 months . i have tested all related wiring to and from starter relay to computer . all ohmed ok . problem is the ecm wont ground starter relay to complete curiut so car will turn over ? no codes ha...
2000 Volkswagen Beetle GLX 1.8L Door Latch VIN: 3VWDD21C9Y
Hi VW Guys, I need help on this one. I have a 2000 New Beatle, VIN [...], I need to find out what the correct part #'s for the door latches. Both doors. Beatle has a window roll up problem. I am thinking the VW parts man gave me the wrong parts. Th...
2002 Volkswagen Passat GLS 1.8L N/S Front Door Lock VIN: WVWZZZ3BZ2
Customers grandson pulled N/S door handle as she pressed the unlock button. Door will now not open and dealer says that the trim etc will have to be removed and lock smashed. I find this hard to believe but I have managed to remove door panel and inner panel, ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1991 Cadillac DeVille 4.9L No Start, Hesitation, Stall, MIL Lamp on VIN: 1G6CD53B1M
Hi all tecs who replied on this Cadillac. Most replies suggested pick up coil, hall effect switch or module. Installed reman. dist., cap, coil and rotor. We have had 4 successiful drives and runs fine. Felt some of these components may be difficult to test sin... Trouble codes: 048 (egr problem), 053 (dist. signal interrupted).
1995 Chevrolet Astro 4.3L Unknown VIN: 1GCDM19WOS
Hello!! Thanks everyone who spent some time for my post. The van is fixed without the answer that I can show you. Most people suggested to check the wheel bearing. But it was not the problem this time. Some people suspected the air is still in the system. Th...
1996 Chevrolet Blazer 4.3L ac/heater mode switch VIN: 1GNDT13W3T
Thank you for all the help, most replies said to check the vac supply and look for pinched hoses and a bad vac canister. checked all of those again today. had 18-19 inches of vac at back of switch. and could find no leaks again. just as one reply mentioned abo...
2000 Chevrolet Silverado 1500 4.3L MIL Lamp on VIN: 1GCEC14W6W
Thanks for all the infomation. I chacked volatage @ the knock sensor and it was 0. and .5 @ the pcm. while tracing the wire found that the wire had been pinched between the trany and engine. repaired the wire and all is well. thanks again.
1996 Chrysler Town & Country LXi 3.8L MIL Lamp on VIN: 1C4GP64L3T
Thanks for all who responded to our terse question. Despite our lack of information when we posted, we received several good replies. This vehicle has had four O2 sensors in front of the Cat, and despite a good waveform, still sets the code. No open or shorts ... Trouble codes: P0133.
2001 Dodge Grand Caravan Sport 3.3L No Start VIN: 2B4GP44311
I have fixed this one...It turned out to be the ignition switch which finally fixed this one. I was torn between the ignition switch or the PCM, The switch still put out the right voltage to the pcm, but must have been sending a bad signal to the VTSS causing ...
1991 Ford Bronco Custom 5.0L Hesitation, Poor Fuel Economy, MIL Lamp on VIN: 1FMEU15N6M
thanks for the help. it was the ecm. greg [...] were correct. this was my first post. i should have included more info. i had allready tested map, o2, ect,and, ict sensors. i already tried the ignition module. thanks for all the help. Trouble codes: 512 (keep alive memory failure).
1999 Ford Contour SE 2.0L Timing belt VIN: 1FAFP6639X
Thanks to each of you who responded. I have tried every possible belt tension and have not been able to make this belt run in the center of the cam pulleys.It keeps walking off the front of the cams and then frays on the belt cover. I rechecked for crank and c...
2001 Ford Ranger Edge 4.0L MIL Lamp on VIN: 1FTZR15E21
Thanks everyone. Peter was right on the money. It turns out that my scan tool was reading the code p0135 as a downstream sensor problem when actually it was the b1s1. After searching for a while I did find this info in the mitchell. I guess I shloud have done ... Trouble codes: P0135.
2002 Kia Spectra 1.8L MIL Lamp on VIN: KNAFB12172
What we have found is that the dealer helped this customer by running a claim under warranty since is is computer related , and they have reprogrammed the pcm and told him it may not work . i talked to the customer and he said that the light has not come back ... Trouble codes: P0121.
1994 Mercedes-Benz S600 6.0L engine management VIN: WDBGA76EXR
We ordered hi temp 18 gauge wire and found a local engine swap expert who offered to help by repair our harness.
1995 Mercury Grand Marquis LS 4.6L Poor Idle Quality, Stall VIN: 2MELM75W2S
Hi all tecs who replied on this Mercury. Got back to IAC valve connection, white wire with red strip, pin #83 on computer connection. With key on connector off of computer, grounded pin #83, IAC would click, reassembled computer hook up and tapped into white w... Trouble codes: P0505 (idle air control problem).
2002 Mercury Sable LS 3.0L temperature setting VIN: 1MEFM55S02
I finally fixed this car yesterday. Many suggested problems with the blend door or the blend door motor or actuator. I first checked the fuses and wiring to the motor and module. Everything was OK. Then I checked for power to the actuator. I had none. Next I w...
1996 Mitsubishi Eclipse RS 2.0L Hesitation, Cuts out, Stall VIN: 4A3AK34Y8T
If you have worked on these Eclipse or Neon vehicles, you probably know that crank and cam sensors are fairly common problems. Originally, I had a strong suspicion that was going to be the case here but that theory was shot to hell when neither signal ever ski...
1997 Nissan Pathfinder LE 3.3L Cuts out, MIL Lamp on VIN: JN8AR05Y2V
Thank you for all the replies, as it turns out the maf had an intermittant fault as most of you had replied. I could actually see it fall on it's face with the scan tool. Thanks again. Trouble codes: P0100 (maf sensor circuit malfunction).
1997 Pontiac Grand Prix SE 3.8L super charger
Hi ,thanks for all the replies.the customer came back with a used one (as David from texas suggested).only got the re and re. I was looking forward to repairing this one,all went well, thanks again.
2002 Pontiac Firebird Formula 5.7L MIL Lamp on VIN: 2G2FV22G12
The Air Pump Was Siezed. I Took The Advice & Used The Scanner In An Attempt To Activate The Air Pump. I Checked All Of The Relays & fuses Which Were Good. After Locating The Air Pump & 'Pulsing' It With The Scanner I Was Able To Determine The Integrity Of Th... Trouble codes: P0410.
2005 Pontiac Grand Prix 3.8L blower motor VIN: 2G2WP52205
we had to send to the dealer, they were going to replace the control head. the custermer came in today and said the dealer still had the car same problem they said something was bleeding voltage back to the blower control module and burning it up.
1974 Porsche 911 2.7L No Start VIN: 9115110346
Thanks for all the prompt responses. # One cause of this issue seemed to be the D.F.E relay , It tested o.k but we put ome in anyway ( good to have one as a spare ). This wasn't the issue however. removed the distributor caps on the duel distributor asm and ...
2002 Toyota RAV4 2.0L shifting VIN: JTEHH20V02
Vehicle has been gone for 4 days. I found the connection at the ecm was intermittently bad. Wiggle test did not change anything. I took apart the connector, cleaned and resoldered the terminal. Vehicle was fine after that.
2000 Volkswagen Passat GLX 2.8L Flashing ABS, ASR & Brake warning lights VIN: WVWVD23B5Y
Yes, it was indeed the controller as all the replies said. I used BBA Remanufacturing, N Dartmouth, MA as a source (bba-reman.com). One-day turnaround time. With the varied codes it had, I wanted confirmation regarding the controller. Seems there's a three-way...
2001 Volvo S40 1.9L Surge, Cuts out, Stall VIN: YV1VS29551
Thanks again for the help that was provided. After I asked for help the customer needed his car for the weeked and he hadn't brought it back yet. Thanks again. Trouble codes: P0128 (p0102-), P0102 (p0420-), P0420 (p0234-), P0234 (p0130-), P0130 (p0101-), P0101.
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