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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 13, 2008
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Buick Rendezvous CXL 3.4L ses+security messages VIN: 3G5DBO3EX2
hey gang,this is the 1st time iv'e dealt w/ class2 data faults, need some help here, Iv'e got ses+ security messages toggling back+ forth on the small message screen in instrument panel, When watching my vertronix "Mastertech" the communi. code#s U1000+ U1064 ...
1999 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 2GCEK19T8X
The truck seems to run fine, but the MIL lamp is on. My scanner is very basic, but it pulls codes well. This vehicle is not "throwing" an ECU code. What I receive is a message: ISO 4191. --In spite of the fact that my scanner says no codes exist, I can clear ...
2002 Chevrolet Astro 4.3L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1GCDM19XX2
Vehicle will not start up again...has spark, fuel pressure good. When cold, will try to start, rough idle and dies immediately. Only code comes up is PO101...tried a reman. MAF , problem still same. tried wiggling and jiggling wires,no good...sure some of you ... Trouble codes: P0101
2000 Jaguar XK8 4.0L Conv. top VIN: SAJJA42CXY
This time, the car came in for its 50,000 mi. service, and the owner said the top was not working again. Sure enough, the reservoir was down to no visible fluid. I filled the reservoir, but this time, there is no pump activity at all. I have checked the fuses,...
1999 Jeep Grand Cherokee Limited 4.7L No Start, Poor Idle Quality, Surge, Stall, Misfire VIN: 1J4GW68N9X
Hi Guys, I have a problem Jeep Grand Cherokee in the shop. Cust states vehicle started to loose power then stalled with no restart. He changed the spark plugs...still wouldn't start so he had it towed in. Vehicle will only start using clear flood mode then Idl...
2000 Mazda Protege DX 1.6L spark
Hi fellow mazda tecs i'm having a no start(does crank) issue with this unit.the car has no data comunication from ids scanner(tried older mazda unit and my own unit also) to pcm,No "check engine lamp" on in dash with key on so can not get any sort of readings(...
2005 Nissan Sentra 1.8L no spark or pulse VIN: 1N2L0PQR05
Nisan altima had a valve-job done, but know it only cranks over, but bo spark from coils or pulse on injectors. PCM grounds and power voltages check out at pcm. Relay behind glove compartment, ecm relay checks out. Timing marks at chain check-out, the only pro...
1992 Plymouth Grand Voyager LE 3.3L No Start VIN: 1P4GH44P2N
hello to all this ones kinda embarrassing , its a 92 mini van!! this one making me look bad...it came to me no start diagnosed jumped time. removed cover verified valve timing diagnosed correct new chain and gears all back together no start!!!??? acts like tim...
1998 Volkswagen Cabrio 2.0L MIL Lamp on VIN: 3VWAB81E2W
car came in with mil light on. scanned and found code po172, Bank one system to rich I replaced upstream o2 sensor. customer drove car and called me the next day light came on same code. Gave car tune-up using all bosch parts. Cap,rotor,plugs,and wires. insta... Trouble codes: P0172
1998 Volvo S70 2.4L Hesitation, Cuts out, Stall, MIL Lamp on VIN: YVLS5584W2
Hi volvo techs, i have a fault p0171 for Fuel System Too Lean (Bank 1).I inspected the intake system for leaks,re&re maf sensor inspect air intake tube for cracks)okay.i'm not sure weather the fault has occured, is there a bad maf sensor and a bad o2 sensor fo... Trouble codes: P0171

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1991 BMW 535i 3.5L door locks VIN: WBAHD2316M
Mark, Jeff and Edward: I think these three all have pointed me in the right direction. I am sorry, but I've not seen the car since I've posted (owner very ill lately), and I want to close this out before it generates negative ratings. I am convinced my proble...
1995 Buick Roadmaster 5.7L Lighting VIN: 1G4BN52P5S
as many of you said the problem was a ground issue the car had a new engine in it installed by another shop after fixing many broken wires and finding all the grounds that were not installed all is good thanks iatn
2001 Ford Taurus SE 4-Valve 3.0L o2 monitors VIN: 1FAFP55SX1
hi fellow techs all the replies i got were great thanks very much but what fixed this car was a new cat on bank #1 i didn't pick this up at first but after looking at the cat monitors bank #1 started to mimic the hego but only after idleing for about 3 minutes...
2002 Ford F-250 Super Duty Lariat 7.3L No Start VIN: 1FTNW21FX2
Thank you all who responded. As I stated it was a educational enquiry. As suggested I gave this thing a good oil change with Motorcraft oil and filter and let the customer have it back. We contacted the customer and it is still doing fine. Trouble codes: P1212.
2002 Ford Explorer XLT 4.0L 2-3 shift VIN: 1FMZU63E32
Hello everyone and thanks for the help. I referenced, per a couple replies, a service bulletin from Ford about a broken band and servo replacement. We removed the tranny and replaced the junked out band and servos as required and put it back together. We to...
1991 GMC K2500 Sierra SLE 7.4L lifters VIN: 1GTGK24N8M
hi people, the first overhaul on this 454 was done completely. crank turned .010 under, bored .010 over valves done and height adjusted for torque down rockers. the plugs in lifter oil galleries behind t chain where replaced with out the holes in them. all pus...
2003 Honda Accord EX 2.4L passenger door window VIN: JHMCM56613
Thanks for everyones input. We finally fixed this car!! It had a defective windshield!! Someone replaced the windshield about 6 months ago and it has been leaking water into the multiplexer/fuse box assembly causing an electronic nightmare. Thanks again for ev...
2000 Jeep Grand Cherokee Limited 4.7L valves VIN: 1J4GW58N4Y
Hey guys,, well let me start by saying, I wished I had all the info before posting my help request so here goes,, I was handed this car by the shop foreman after the previous tech had such bad luck with it. Come to find out this car had no coolant in it when i...
2000 Jeep Grand Cherokee Laredo 4.0L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1J4GW48S8Y
sorry to all who replied,have to close this by 14th.i have yet to get local vehicle back due to only vehicle and owner on a budget,but this vehicle has become a challenge for he and i,so i am sure to resolve this one asap.thanks very much to all who replied,al... Trouble codes: 320 (no crank ref. sig. at pcm), 1391 (intermittent loss of cmp or ckp).
2000 Lincoln LS 3.9L No Start, MIL Lamp on VIN: 1LNHM87A3Y
Sorry everyone I am not much help on this one. What I did find though is the #2 terminal on the DLC (BUS+) is shorting out somewhere. I assume it is a module issue but, I must close at this time. If I have any new info I will update. Thanks everyone and especi...
2002 Lincoln LS 3.0L cooling fan VIN: 1LNHM96S31
Thanks for all your help, all your information contributed to help me solve the problem which was faulty power steering switch.
1987 Mazda RX-7 1.3L Poor Idle Quality, Cuts out VIN: JMIFC3515J
thanks for all the help..it turned out to be idle speed control valve...the code retriever suggested by paul worked well enough to get the job done...thanks again to all
1999 Mazda Miata 10th Anniversary 1.8L MIL Lamp on VIN: JM1NB353XX
Thanks to those who replied, we did have a defective egr boost sensor/ map sensor. Customer has put over 400 miles on vehicle and everything has been fine. Trouble codes: P0402.
1997 Pontiac Grand Am SE 3.1L Hesitation VIN: 1G2NE52M8V
Thank you all for the responses I did as michael suggested and un plugged the knock sensor and the car ran fine Replaced it and everything works well Never thought a knock sensor would retard the timing that far and only up to about 3/4 throttle Larned a ne...
1992 Toyota Cressida 3.0L Poor Idle Quality VIN: JT2TE7SC48
OK, the customer took off the cover tab that used to seal the adjustment screw on the air flow meter. It's basically just an air jet screw. Turn it in, you bypass less air from the meter. Turn it out, it lets more air pass through the metering part of the sen...
1999 Toyota Sienna CE 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 4T3ZF19C6X
Unfourtunatly i did not fix this van. Customer ran out of time and money? I did try another MAF to no avail, we did pull the timing belt covers and check timing marks. We do suspect the A/F ratio sensors {ho2s} but customer does not want to replace. As those w...
2002 Volkswagen Jetta TDI 1.9L soft peddle that grabs low VIN: 1G64H37006
Hey thanks 4 the three replys,But great help any ways thanks. was the brake booster.Never did one on this model before.Tessy but striaght foward though,agian thaks.
1994 Volvo 850 Turbo 2.3L Cuts out VIN: YV1LS5714R
My customer didnt want to pursue this anymore because he bought a Toyota Hybrid. The replies I got said a clogged Kat,low fuel volume a collapsing turbo hose, that I looked for while my wife was brake torquing the engine and couldn't see anything happening. I...
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