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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 26, 2004
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Open Help Requests for All Makes and Models
Help Request Answers
1997 Acura CL 2.2L MIL Lamp on VIN: J1TGYJUIW4
Greetings to all Acura/Honda techs. This 2.2CL came in with a MIL light on and a P1401 Egr valve code. It ran fine so I replaced the valve and cleared the light. Within 30 miles the light came back on with the same code. There are no other codes stored. So I r...
1989 Buick Regal Limited 2.8L No Start, Cuts out VIN: 2G4WD14W6K
I do not know what else to check on this one. I have isolated the problem to only having 2.7 reference volts to the map, tps and egr position sensors. I already checked for bad grounds at the ecm by doing voltage drop checks while cranking, I even ran separate...
1995 Cadillac Eldorado 4.6L intermint service ride control VIN: 1G6EL12YXS
drive down the road and it hits a bump and it display check suspenion but it doesn't do it all the time. the customer is not that heavy so i don't think it because it a awkward situation. he does carry family of 4 in the vehicle.
1993 Chevrolet motorhome 454CID p/s pump VIN: 1GBKP37N33
Went thru GMs manual on bleeding the system.Got a lot of air. Noise goes away until you bring the rpms up and apply the brakes or turn the steering wheel. Rebleed the system and the air is there again. There are no external fluid leaks at all. I have worked on...
1995 Chevrolet Blazer 4.3L No Start, interminttent VIN: 1GNDT13W65
We have this 1995 blazer that is an intermittent no start. When we have it it works fine when the coustomer has it well you know the story. finely got it to quit on us we have good spark and 60 psi fuel. unplugged the injector plug and no inj pulse. had power ...
1995 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13WXS
Blazer came from another shop with no start condition. It has good fuel pressure but no spark and no fuel injector pulse. Ignition control signal from ECM to ignition coil module (ICM) is normal but no pattern signal coming from ICM to coil -. Powers and groun...
1988 Dodge B250 5.2L No Start VIN: 2B4HB21Y4J
Greetings fellow techs, This dodge has me baffeld. It will start and run for about 20 minutes, then die and won't start untill it has rested for about 30 minutes. I have replaced the ignition pick up and the asd relay, to no avail.I found that there is no curr... Trouble codes: 42 (ASD relay)
1994 Dodge Shadow 2.5L cooling system VIN: 3B3XA46K4R
hello This car came in with temp guage reacting with big swings from hot to cold and from cold to hot customer complaining loses heat in cabin area.So we tested the system for head gasket leak with chemical co test sure enough head gasket failure. Replaced the...
1996 Dodge Dakota 5.2L erratic idle VIN: 1BG7GL23YO
I have this Dodge dakota that when cold and sometimes warm the idle will jump up around 2.5-3000 rpms. I have tried swapping the map sensor. The coolant and the intake air temp sensors appear to be close the same at start up and where they should be. We are co...
1997 Dodge Ram 1500 Laramie 5.2L No Start, Stall, MIL inop. VIN: 1B7HF16Y8V
The vehicle left running good, but about a week later was towed in.I checked spark and it had none. I checked my testers ground and the truck started and ran for a couple of hoursand died again.It stayed dead and I found no spark, no injector pulse, no MIL ope...
1999 Dodge Ram 3500 Van 5.9L mil VIN: 2B6LB31ZOX
Hello all, This mini bus has a code PO 500. The ABS & check engine light were on. I believe they are related on this one. All my scanner tells me is " speed sensor". Any further info on this one is appreciated.
1996 Ford Windstar GL 3.8L MIL Lamp on VIN: 2FMDAS140T
This Windstar failed an OBD II emission test. Prior to the lean codes I cleaned the EGR ports that were clogged. I had a code for restricted EGR flow. Cleaning of the ports cleared that code. I suspected a MAF problem but the voltage seems normal at idle (.6 V... Trouble codes: P0304 (Cyl 4 miss fire), P0171 (Bank 1 lean), P0172 (Bank 2 lean), P1000 (Monitor Cycle not complete)
1990 Honda Accord LX 2.2L No Start VIN: JHMCB7551L
Dear fellow techs. First a little history, this vehicle has been having an on going problem with intermintent no start conditions. I informed the customer about the PGM-FI relay and he has refused replacement. About 2 weeks ago it came in on the hook, I pin po... Trouble codes: 9 (no cylinder sensor input)
1996 Jaguar XJ6 4.0L pads/rotors VIN: SAJHX1249T
Before I get started with this problem I just want to say that the help I get from this network means more to me than any other given opinion or suggestion. I have been blessed to have this one twisted customer come to me with his Jaguar on approximately Marc...
1995 Jeep Grand Cherokee Laredo 4.0L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1J4GZ58S8S
Hi Everyone, Had a similar episode last month with this one. This time it is to a lesser degree but very bad nonetheless. When cold (100 degrees, stalls almost immediatly when started, can keep it running with accelerator. When truck warms up, runs great. Tem...
1999 Jeep Grand Cherokee Limited 4.7L odometer,radio
Looking for a jeep guru. I recently replaced the evap core. Three days later customer called back stating that his dash,radio and ac was flashing on and off, (during this you can hear popping noise in the speakers) and the truck had stalled. When he restarted ...
1999 Jeep Grand Cherokee Limited 4.7L Mechanical VIN: 1J4GW68N4X
Hi Everyone, I have a 99 Jeep Grand Cherokee 4.7L in the shop that I am going to replace the head gaskets on. I have never worked on one of these engines before. I would appreciate any tips, pit falls to avoid, or any other information that you think would be ...
1998 Lexus LS400 4.0L vehicle speed control VIN: JT8BH28F4W
hello,all lexus tech. i was pull my hair off from this lexus ls400. customer states vehicle will not start after new battery installed after 3~4 days.i perform system current draw from battery.i had 0.67 amp. after pull mxp-b fuse,current draw down to 0.06 amp...
1991 Mercedes-Benz 500SL 5.0L key tumbler VIN: WDBFA66E1M
Well I guess I am stuck in this area since I dont have any experience with mercedes benz. Vehicle was towed to us with the ignition key jam , cannot remove key or turn key . My question is if is a worn out key cylinder or something else causing the jam. also i...
1999 Plymouth Voyager 3.3L trans. VIN: 2P4G44G4XR
Mother-in-laws van. Complaint was coming up to a traffic light and she said she heard a loud clunk noise. The engine rev'ed up but was not going anywhere. Another clunk and it took off. Brought to me to look at. MIL lamp was on. Pulled codes #700,715, AND 731....
1995 Pontiac Bonneville SE 3.8L Cuts out VIN: 1G2HX52K4S
the customer states symptoms appear to be the same as last july when the fp was replaced ( work done at another shop) the vehicle cuts out while driving mostly on turns and sometimes hesitates on accel...it restarts ok & is fine for a while. could it be the fp...
1999 Volkswagen Passat GLS 2.8L data blocks VIN: 3VWMA63B8X
hello techs im wondering if any one has a list of data block numbers for any of these cars. this seems to be a hidden secret. yet the other day i was at a class and they went through them it was amazing . but they whet so fast i could only pick up a few . such...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1993 Acura Integra LS 1.8L Excessive Emissions VIN: JH4DA9488P
thanks for all the replies, most said that aftermarket convertors will not do the trick and so was this case relaced convertor and all is well. customer can now get his tag. thanks again for all the replies.
1991 Chevrolet Astro CL 4.3L long crank VIN: 1GNDM19Z3M
OK here we go. After 2 ecm's and a new prom I decided that the ecm energizing the relay for 2 seconds after the vehicle sat for a little and not energizing it during an immediate restart and not energizing it during the first 5 seconds of cranking may be norma...
2000 Chevrolet Silverado 2500 6.0L compressor belt
I appologize for waiting so long to close. I've been waiting to hear back from our customer. I recieved 5 messages from 4 techs with suggestions. Also I've talked to a friend who is a service manager at a local Chev. dealer. Suggestions were replace (1) tensio...
1997 Chrysler Sebring JX 2.5L Cuts out VIN: 3C3EL45H2V
It's fixed! All the replies I received said replace the distributor. That done, the cars runs great. Apparently the quality of reman units is not so good as this is the second reman in this car in less than a month. Thanks again.
1998 Chrysler Town & Country LX 3.3L No Start VIN: 1C4GP54ROV
It finally runs! I thought I'd have another underlying problem with this van. I performed relay test with scanner, heard and felt both fuel pump relay and fuel pump pulsing during test. However with fuel pressure guage reading zip and fuel levels on scanner an... Trouble codes: 1282 (fuel relay control fault).
2001 Chrysler Sebring LXi 2.7L No Start VIN: 1C3EL55U91
All three replies suggested a jumped timing chain. I tried to confirm this by pulling the valve covers for inspection, but I wasn't able to make sense of any timing marks. I did not see the wear indicator line on the chain tensioner. I also tested compression ... Trouble codes: P0601 (internal controller failure).
1996 Ford Windstar GL 3.8L p1000 sys.test incpt VIN: 2FMDA5146T
this car failed inspecting for that p1000 code i told the owner to drive it for awhile before taking it back though the inspection he has not come back so it must have worked thanks for all the advice chuck Trouble codes: P1000.
1998 Ford Taurus SE Comfort 3.0L S anduspension VIN: 1FAFP53S0W
I have been out of the shop for most of the month due to family emergency. I intend to see this vehicle Wednesday June 30. Im closing now because my request has timed out. Received some suggestions to check strut rod washers at front of rod from control arm to...
1993 Mazda MX-3 1.8L Hesitation, MIL Lamp on VIN: JM1EC4341P
Thank's for all the reply's.IATN is an excellent source of help .The air duct had a fatigue crack and a wrap of duct tape fixed the problem .Thank's again to the Tech's of IATN.
1999 Mercury Mountaineer 5.0L Misfire VIN: 4M2DU55P2X
Thanks to all who replied. Another tech. in the shop was working on this truck and he missed a bad plug wire while checking the miss. When he checked for spark to the plug, he had put a spark tester in the end of the plug wire and grounded the tester. He crank... Trouble codes: P0305 (cylinder 5 misfire), P0303 (cylinder 3 misfire).
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