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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 19, 2004
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Open Help Requests for All Makes and Models
Help Request Answers
1989 Chevrolet Celebrity 2.5L Stall VIN: 1G1AW51R4K
This vehicle will stall at idle or decel, hot or cold. It could happen once or multiple times.Vehicle will restart immediatly. O2 is swiching. Minimum airflow was checked. Min TPS voltage is .48v. In gear IAC motor is at 30. Oil pressure is 30lbs. We bypassed ...
2004 Chevrolet Trailblazer LS 4.2L Radio VIN: 1GNDT13S54
Hello everyone, I have this Trailblazer that interminently has no radio volume. It is a Bose Radio with external amp. When the problem is active there is no volume but everything appears to be working with the radio. If you press the onstar button the display ...
1998 Chrysler Cirrus LXi 2.5L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire, MIL Lamp on
removed cap found carbon tracking in side cap wires o/e with 113000 miles yhe rod going into the coil was melted bent sideways with corrossion on the end told manager highly rec coil after all repares done except coil car ran the same burnvoltage and burntime ... Trouble codes: P0302
2001 Dodge Grand Caravan Sport 3.3L No Start VIN: 2B4GP44341
Checked circuitry at ASD relay.At KOEO [output circuit] system voltage should be present for about two seconds then flat line to ground. No two second pulse present. Checked the two batt+ at relay terminal, system voltage present. Checked relay control circuit... Trouble codes: P1388 (ASD Relay control circuit open/short)
1994 Ford Ranger XL 4.0L Poor Idle Quality, Hesitation, Surge, Stall, Misfire
please help this one is driving me crazy.idle is rough somtimes.fuel presure is ok taped gauge to windshield an presure mantained ok also volume test was ok.took scanner for test drive an as cylinders started to go away o2 readings went completley lean till en...
1994 Ford Ranger XL 4.0L Misfire
ok im going crazy on this one. this one came in as a miss under load. we were able to verify the complaint right away. from a stop sign under heavy acceleration it would miss. got it back to the shop and and then was able to make it happen in the shop over 170...
1995 Ford Thunderbird LX 4.6L steering/tracking VIN: 1FALP62WIS
the problem is the vehicle seems to have excessive power assist at freeway speeds and does not track good at high speeds ,around town no symptom's noted. feels like the vehicle is on gravel while on the freeway above 65 mph. steering components, tires 4 whl al...
2000 Ford Focus ZTS 2.0L rear wheel sensors VIN: 1FAFP3836Y
Thanks for the help in advance, I have this focus that i can't get any reference from the two rear wheel speed sensors. I've gone through the ford flow chart witch isn't much on helping. I went through complete harness and found right rear connector bad so i r...
2002 Ford Taurus SE 3.0L MIL Lamp on VIN: 1FAFP53U92
hi there fellow tech! I have here problem on taurus which MIL lamp on after 3 drive cycle with dtc p1336 misallign cmp,ckp. We had performed synchronizer timing from the workshop manual using sst from our shop still Mil lamp goes on.Does anybody encounter this... Trouble codes: P1336 (input signal to pcm from ckp sensor and or cmp sensor erratic)
1991 Honda Prelude Si 4WS 2.1L T-belt VIN: JHMBA4246M
T-belt broke. I think this is an interference engine. Will it always bend valves, or can a guy get lucky and bend none? Can I put piston at BDC and turn cams so valves are closed, and put shop air into cyl, and listen for bent valves? Is this a good enough tes...
1998 Honda CR-V LX 2.0L Misfire, MIL Lamp on
Honda techs, here is one with a curve. This came in after having a timing belt and tune up done about 15000 miles ago. The first thing I did was to recheck valve clearances. I had afew tight ones and yes they were exhaust. I reset clearances and tested. The mi... Trouble codes: P0300, P0301, P0302, P0303, P0304
2000 Jaguar XKR 4.0L MIL Lamp on VIN: SAJAA42J5Y
Need some Guidance on this one.If I clear these codes and retest. I get the P-1720 code without the p 1721.Once i cycle the key I get the rest of the codes The IPC is stating the Brake fluid is low, the cruize is not operating , the engine is in fail-safe mode... Trouble codes: P1720, P0447, P0453, P1108, P1637
1997 Land Rover Range Rover HSE 4.6L drivetrain VIN: SALPV1440V
This vehicle has what I would describe as a noise like spline are slipping on a shaft.Transmission just repaired for a bad sprag in the front planet.Did not fully believe that was also the noise problem ,but was required anyway.The left rear axle seal was repl...
2001 Mazda MPV DX 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: JM3LW28Y61
Vehicle came in with rough idle, found leaking intake gasket at #2 cyl. replaced intake gaskets and tuned up at the same time, also noticed leaking #1 injector and replaced that at the same time.Nothing made any difference.Further on we thought the IMRC actuat... Trouble codes: P0301 (1cyl. misfire), P1518 (IMRC Not closing when commanded to. Low voltage from ECM to IMRC actuator.)
1987 Toyota Land Cruiser 4.2L Failed Emissions
Vehicle came in as emissions failure, very stock very nice. AIR system is not operational. Something that controls the management valve is malfunctioning causing no air injection. The problem is I can locate no repair or system strategy information for this ve...
1994 Toyota Corolla DX 1.8L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 1NXAE09B7R
This car came back after approximately a week after the driver had picked it up. The complaint was that the check engine light would go on and off. Secondary issue was that the vehicle died twice after a long idle. The first codes we pulled were 14, 21, 24. Ch... Trouble codes: 14 (Ignition signal circut), 21 (Main oxygen sensor signal), 24 (Intake air temperature circut), 22 (Engine coolant temperature circut), 52 (Knock sensor circut signal)
1991 Volkswagen Jetta 1.8L Cuts out, Stall, shuts off at cruise VIN: WVWPAD1G2N
Hi fellow techs! This VW is driving me crazy!Customer says car shuts off while driving/cruising.He can then start the car right away.It does it at least once a day,sometimes 7 or more times a day. It has never done it for me!(of course!)The last thing i did to...
1998 Volkswagen Golf GTI 2.0L MIL Lamp on VIN: 3VWDB81H6W
Thank you for help in advance. VW came in to the shop with check engine light on. Customer states light came on after they bought the car from a used car dealer. Pulled codes P0442A came up on scanner, small evap leak detected. Smoke tests system and no leaks ... Trouble codes: P0442 (small evap leak dect)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1984 Chevrolet Caprice 5.0L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on
Hello all, I have not yet fixed this vehicle yet. The most likely problem all of you said was a bad ECM. I still want to check the powers and grounds before I condem It though.It runs very good with the M/C solenoid unhooked but a little on the rich side obvio...
1992 Chrysler Imperial 3.8L Cuts out, Stall VIN: 1B3XC4648L
I got many suggestions of watching and checking the O2 sensors when the car malfunctions. As this is a 'back burner' project at the shop, I'm going to close this, and will report what I find when I get a chance to look at it again. Thanks for all the input, an...
1994 Dodge Caravan 3.0L oil leaking from front of motor VIN: 2B4GH2537R
First I would like to thank all 37 of you that took the time to read and to respond to my plea for help. All 37 said about the same thing the cam and crank seals. Well I pulled top covers and every one hit the nail on the head the left cam seal (rear cam) is l...
2001 Dodge Ram 2500 5.9L All Gauges VIN: 3B7KF23Z91
Hi everyone Thanks to the eight people who responded to my post for help! I can't get the customer to return the vehicle for more checks, I wanted to check the ALDL with my lab scope for toggling voltage. The customer states that the problem has not returned s...
1999 Ford Explorer XL 4.0L No Start VIN: 1FMZU32X1X
Like most of you said it was a bad fuel pump, this systym has no return to fuel tank, and the fuel pressure regulatur is a injector pulse width regulator, it is the pumps job to hold pressure, I enstalled a dealer pump and all is good. I thank everyone for the...
2001 Ford Escape XLT 3.0L colant level VIN: 1FMYU04131
Hello everyone: I learned from all 9 replies that ford has had this concern about coolant level on all escapes. According to most of the replies, there is a TSB for this concern. I learned that the tank has a flaw in design. At the level marked full is actuall...
1998 GMC Jimmy Envoy 4.3L HID headlamps
Soooo sorry for taking so long to close this post. After getting the truck fixed, I honestly forgot all about it. Thankyou to those who took the time to reply. We received a variety of helpful tips from diagnostic help to sources for used and new parts, afterm...
1999 Isuzu Rodeo LS 3.2L Poor Idle Quality, Surge VIN: 4S2CK58W8X
Hello everyone, like most everyone said bad fuel regulator. I let it set and run idle for about 10 minutes, and I noticed it was running rich, I pulled vacum hose off regulator and gasoline was comeing out of regulator. I got many replies on this one, and I th... Trouble codes: P0463, P1640, P0705.
2000 Land Rover Discovery Series II 4.0L CO in cooling system VIN: SALTY1249Y
I'm posting this as fixed even though it's not quite done yet. All 7 responses indicated problem's with engine block leaking around liners. Special thanx to Brooks and Ken for giving me ideas on pressure testing the engine block myself. We borrowed plates from...
1998 Lexus GS400 4.0L Hydrobootst VIN: JT8BH68X1W
Hi Guy sory for the delay I send the unit to Lexus dealer and they said the whole unit must replace so We first find a rebuilder who say they can fix it but 2 week later when I got the unit back it have the same problem so I found a second hand unit from quebe...
1998 Lincoln Town Car Signature 4.6L engine VIN: 1LNFM82WXW
well after having engine removed we found centre crankbearing has over laped. cause is a mystery, we have to close this fix before dec 30/04 so with the hoildays and such. i have had some good input, but i find that they were not the cause. but if i ever find ...
1996 Mercury Mystique LS 2.5L battery VIN: 1MELM66L1T
Thanks to all the techs who replied to my help message. In the update, I mentioned I had installed a Thexton parasitic drain adapter on the negative battery terminal to properly test for a draw. I usually use the scope we have and set it to the lowest amperage...
1999 Mercury Sable LS 3.0L steering system VIN: 1MEFM53S4X
Thanks to Eric [...]. We did indeed have the wrong rack unit installed. Ron suggested that we look in Alldata for the 2000 model. The 2000 model was the same as the 1999 model. That got us thinking and we checked Alld...
1992 Nissan Maxima GXE 3.0L Brake Pedal VIN: JN1HJ01P1N
I apologize to everyone...I should have found it...I was so focused on the rear brakes because of the work I had just finished that... Out of the 8 replies half said master cylinder, air still in the ABS unit, bent or warped pads and many said to check the c...
1986 Oldsmobile Calais 3.0L No Start VIN: 1G3NF27L2G
Hi, The problem car has had lots more test ran and still a jno start. We confermed that the firing order was corect, but as it was a type 1 coil we subed a none good coil pack and no change. un pluged the MAF, no change, got the GM CPS tool and set it, no chan...
2001 Oldsmobile Aurora 3.5L Cuts out, MIL Lamp on VIN: 1G3GR64H21
Hey guys, thanks for the replies. Most was leaning toward a bad alternator - excessive a/c voltage, etc. I did notice at times it seemed to be over-charging a bit, but not real excessive. Like 15 volts battery and 14.6 ignition volts according to the pcm. I do... Trouble codes: P0410.
1993 Toyota Camry 3.0L MIL Lamp on VIN: JT2GK12E3R
I have jump two pins in the underhood diagnostic connector d TE1 & E1. together using a small piece of wire and turn the ignition to the 'run' position the 'check engine' lamp didnot flash . The car maybe has a wiring problem
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