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Professional Automotive Repair Technical Discussions for September 2, 2006 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 1995 BMW 740i 4.0L no spark, no fuel pressure VIN: WBAGF6325S Vehicle came into shop about 1 month ago towed in no start,had no spark and no fuel pressure,no signal to fuel pump, no signal to coils. Crank position snesor tested and had good pattern on vantage, swapped sensor from another 95 with same symptoms. Every once... |
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| 1997 Buick Park Avenue Ultra 3.8L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1G4CU5212V THIS VEHICLE CAME IN WITH A CHECK ENGINE LIGHT ON AND NO POWER. HAD A P0300 SET WITH MISFIRES RECORDED ON ALL CYLINDERS. DURING A ROAD TEST UNDER HARD ACCELERATION THE ENGINE WOULD PING SO BAD IT SOUNDED LIKE IT WAS COMING APART. THE FIRST THING I FOUND WAS A ... Trouble codes: P0300 (random misfire) |
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| 1993 Cadillac Eldorado Sport 4.6L Surge VIN: 1G6EL12Y4P Hello fine techs: This El dorado came as a no-start. We found wires from crank sensors were inverted at ign. module. We repaired them and car now starts but idle is always surging between 800 and 1500 rpms. We tested for vacuum leaks with smoke machine and no... Trouble codes: P0030 |
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| 1996 Cadillac Seville SLS 4.6L TCC slip hi VIN: IG6KY529IT Hello all, this seville happens to be bosses wifes car and has a reoccuring trans code after I serviced it. I even opened it back up and checked to make sure filters didn't fall out and all seals fit good. The code is a po741 high torque converter slip when co... |
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| 2000 Chevrolet Prizm 1.8L No Start, Surge, Cuts out, Stall VIN: 1Y1SK5287Y Customer said they had an oil change at a local quick-lube(Walmart), when they picked it up it seemed to lack power. Then when the lights were turned on, it would die. Car was brought here. We checked the electrical system, the headlights do not work, and when... |
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| 2003 Chrysler Concorde LXi 3.5L L-R Shift solenoid VIN: 2C3HD36M13 hey guys, Got this '03 Concorde came in with a P0700 in engine codes, and a P1776 - Solenoid switching valve stuck in L/R position. Test drove vehicle and there afre no apparent shifting problems. Cleared code, no return and no 1 trips. Trip counter on origin... |
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| 2005 Chrysler Town & Country 3.3L Surge, MIL Lamp on VIN: 1C4GP45RO5 Hello to all, Our bodyman at the shop has an 05 town and country that his wife won't hardly get out of. She uses this van for work and really racks up the miles, and getting a chance to check it out is difficult. She says once in a while it surges at cruising ... Trouble codes: P0406 |
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| 1993 Ford F-350 XL 7.3L Cylinder and block VIN: 1FAFP53231 OK sports fans here goes: I loaned my truck to a friend (yea we're still friends) and a tire on the left front exploded. When this happened, a section got caught in the cooling fan for the radiator (fan destroys radiator) The engine overheats and blows a head ... |
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| 1990 Honda Accord EX 2.2L No Start VIN: 1HGCB7162L This car is my future son-in-laws. He had been having trouble starting and then intermittent stalling and finally couldn't be restarted after a stall while driving. Towed to a garage and diagnosed with faulty distributor. I replaced it with a rebuilt and ran w... Trouble codes: 15 (Ignition output signal) |
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| 1998 Mercedes-Benz ML320 3.2L AAM Module VIN: 4JGAB54EXW AC compressor will not engage at times.When it is not engaging I can bump module box under hood and compressor engages.So I pull fuse box apart and tap on just AAM module that hangs down under fuse/relay panel and compressor comes on also.This is a common prob... |
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| 2001 Mercedes-Benz C240 2.6L power door locks VIN: WDBRF61J91 Greeting i-ATN members, Not a Mercedes mechanic so I'm a little skittish about where to go. Problem via customers own description; Car locks itself, then electronic key will not unlock, must use mechanical key which sets off alarm, start car to silence alarm.... |
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| 1994 Mitsubishi 3000GT 3.0L Misfire VIN: JB3AM44H4R I only have spark on cyl 2 and 4. I have taken out the distributor and can turn it by hand. When turning I can hear all six injectors clicking, but only fire spark on 2 spots. My guese is that we have that I have the wrong ECM. Now with the story. Man buys car... |
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| 1990 Nissan 240SX XE 2.4L No Start, Hesitation, Cuts out, Misfire VIN: JN1HS34P4L found plus fouled out,replaced them, got car running, check found coolant sensor shorted, still fouling out plugs in 10 miles. |
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| 1998 Oldsmobile Aurora 4.0L LCM Module VIN: 1G3GR62C4W I know these vehicles are electrical nightmares but... The lighting control module under the left side of the dash intermittantly starts rapidly clicking. This happens at least once a day. I have checked powers and grounds and ran a complete continuity and ohm... |
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| 1997 Pontiac Grand Am SE 2.4L No Start VIN: 1G2NE52T2V I have a 97 grand am, 2.4 liter with no spark on cylinders 1+4. I am currently out of work and have no access to a scaner or scope. I did rent a generic code reader from the autoparts store which obviously was just about useless. The only code I had was po300.... |
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| 2000 Saab 9-3 2.0L MIL Lamp on VIN: YS3DD58H8Y Thanks in advance fo any help. Car has come in with check engine light on and code P0171 stored and no others. Have checked for air leaks and have found none. This is the second time light has been on but not sure if this is the same code as used car dealer ju... Trouble codes: P0171 |
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| 2000 Saturn SL2 1.9L Misfire VIN: 1G8ZK5279Y Well, I can't find a crank sensor on this piece. However I do know I am losing spark to cylinders 1 & 4 when it's cold, sometime warm it runs great, but most of the time it misses. I have swapped coils, I have even ran it without the coil on the module to watc... Trouble codes: P0340 (Cam Shaft sensor), P0341 |
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| 1999 Subaru Forester S 2.5L 1-2 shift VIN: JF1SF6553X Car came to shop for a 120k service.We performed a TransTech flush.On the road test after the flush the trans would shift into 2nd almost immidiatly on exceleration causing a power lull.The trans fluid was overfull before the flush.The customer claims there we... |
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| 1997 Volvo 850 2.4L MIL Lamp on VIN: YV1LS5554V Car returns w/same falt. Smoked ex. and intake, found lk. at lever side of thrott. shaft. Should we replace it or keep looking? Also tested ex. back-pressure to be o.k. at 1 psi. Is that too low indicating the cat. converter has deteriorated? Ex. pipe does hav... Trouble codes: P0133 |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 1995 Chevrolet Blazer 4.3L Poor Idle Quality, MIL Lamp on, HARD BRAKE PEDAL VIN: 1GNCS13W4S This vehicle got progressively worse, from a rough idle, to a very bad misfire under acceleration, to a nasty hesitation accompanied with the misfire and finally no power. It would basicly only idle nothing much beyond that. First double checked everything tha... |
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| 2003 Chevrolet Silverado 3500 6.6L BlowBy Tube VIN: 1GCJK33133 Sorry to have taken so long to close this one. The truck did come back a couple of times, but the tech who was working on this one never did find the reason for the oil to be pushing out the blowby tube. I agree with most of you it most likey being blowby past... |
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| 1998 Ford E-350 Econoline XL 6.8L Cuts out, Misfire, MIL Lamp on VIN: 1FDWE30S2W thanks for all the help. turns out the scanner was showing the missfires on the wrong cylinders. we replaced a total of 4 ignition coils and so far the problem has gone away. we have a snap on scanner with the latest updates but it is becoming clear that we ne... Trouble codes: P0300. |
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| 2001 Ford Windstar SE Sport 3.8L Hesitation, Misfire VIN: 2FMDA57431 Thank you once again iatn and its members. I received 7 replys to my help request and all were very helpful. The mileage is in Kilometers and is correct. My long and short term fuel trims are in spec. leading me to believe that the lower intake gaskets are int... |
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| 2000 Mercury Villager 3.3L MIL Lamp on VIN: 4M2XV11T1Y HI Y'ALL !!! Thanks agian for all your help. I'm still confused and wired backasswards, maybe its just me. After getting ECM back from repairs, I still had wiring crossed. As I first stated the wiring plug on the vehicle side of car was gone. All I had were ... Trouble codes: P0141. |
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| 1998 Nissan Maxima SE 3.0L Misfire VIN: JN1CA2106W The car was repaired by replacing all of the injectors. Thanks to all who offered help. Troy Trouble codes: P0300. |
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| 2002 Nissan Sentra CA 1.8L No Start, possible immobilyzer VIN: 3N1CB51DX2 I appriciate all the help that I recieved from IATN members. The information had been very valuable. It's a tough decision to make I didn't want to gamble the unit cost around $600.00 So I checked all power supplys from ecm relay, battery,fuses. I tested all g... |
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| 1999 Pontiac Grand Prix GT 3.8L No Start VIN: 1G2WP12KXX Hello all, Thanks for the replies. About a third of you hit it right on the head. There were also some other very good suggestions and a few weird ones. John and [...] both correctly pointed out that the low cranking vacuum could be caused by a deteriorate... |
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| 1999 Pontiac Montana 3.4L Misfire VIN: 1GMDU06E8X Well, I had many good ideas from all who replied. Joe helped me eliminate my intake leak question by telling me to remove the pcv valve from the cover and plug both covers with my fingers while running, if I had felt a vacuum (which I didn't) I would have had ... Trouble codes: P0300 (Random Cyl. Misfire), P0102 (MAF Voltage low). |
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| 2001 Saab 9-5 SE 3.0L abs/tcs VIN: YS3EF48Z81 We have been back and forth on this car since it belonged to a dealer and he was in no hurry. It turns out that the problem was the battery. Even though we had tested the system and all had checked OK. On one start we saw lower than normal cranking voltage and... |
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| 2003 Saab 9-5 Arc 3.0L Cooling system VIN: YS3ED49Z42 Thanks to all that repied. We finally released vehicle to customer yesterday. The root of the problem was the engine oil cooler. Couldn't see any leak until we took it to radiator shop for testing. As some of you said, all the hoses were ruined due to oil. Wha... |
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| 2000 Saturn SL1 1.9L drl system VIN: 1G8ZH5282Y After rechecking all wiring of drl to bcm module camt to the conclusion that the program was altered in the memory,of bcm.Inquired to dealer annd got as answer that it was possible but not a frequent occurence.Sent cust to dealer to reflash bcm and will keep y... |
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| 1991 Volvo 740 2.3L No Start, Stall VIN: YV1FA8749M Hello group, and thanks to all who replied to my posting. Well, it seems that my fuel pressure gauge had a restriction hence the high readings. Note to all: when checking fuel pressure with an INLINE setup, you can't use quick connect tester/line adaptors as t... |
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