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Prev Professional Automotive Repair Technical Discussions for March 12, 2005
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
1999 Cadillac Seville STS 4.6L ignition VIN: 1G6KY5496X
any help or idea's is very much appreciated engine light comes on intermittently, scan system, code found miss fire in cyl #1. have changed plugs, wires, ignition module and coil pack. has anybody ever had this problem thanks for any help possible
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1992 Chevrolet Cavalier RS 2.2L engine VIN: 1G1JC5440N
car runs fine - open loop closed loop-integrator goes down 55-70 then skips & stalls. we had put in a new oxygen sensor, but for some reason the car runs fine if the oxygen sensor is unpluged. if anyone has any suggestions or has seen this before please let ...
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1996 Chevrolet C1500 5.7L Hesitation, MIL Lamp on VIN: 1GCEC14M8T
Came in for a check engine light. Found codes for bank one sensor 3 dead. Has a nasty hesistation when you snap the throttle. Replaced the o2s, but found that the scanner shows map of 10" at idle and goes to 27" under acceleration. Impossible on a running engi...
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2002 Chevrolet Suburban 1500 LS 5.3L all gauges VIN: 3GNFK16Z8G
HI all I have this suburban and the gauges cut out when you hit a hard bump got it from the other tech in our shop .I see no codes The other tech pulled the cluster and found nothing .I have repaced the ign switch and have read the post for chaffed wires over ...
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2004 Chevrolet Venture LS 3.4L windshield? VIN: 1GNDX03E34
Vehicle has a very annoying & loud buzzing sound when traveling at speeds at or above 65mph. It seems to eminate from the windshield right in front of the driver. It does seem to dissipate with a window cracked. Also is most apparent in a crosswind. Have seen ...
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2003 Chrysler PT Cruiser 2.4L Cuts out, MIL Lamp on VIN: 3C4FY48B83
Thanks in advance for any help we can get. We got this pt in after a recent trans rebuild from a commercial company of ours, Original complaint MIL light on intermitant stall on take off, we found os sensor not switching , replaced now switching also found wir... Trouble codes: P0171
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1997 Dodge Caravan LE 3.3L Cuts out
Hi everyone...HELP!!! The original complaint was no power and no shifting. I hooked up the scan tool and no "auto ID" so I pull the connector at the abs controller and clean it with contact cleaner. Now I get the auto ID. When I start the engine the bus goes d...
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1998 Dodge Stratus ES 2.5L fuses 5&7 VIN: 1B3EJ56H2W
VEHICLE HAS 300ma DRAW THAT KILLS BATTERY IN LESS THAN 4 HOURS. I HAVE ISOLATED THE DRAW TO FUSES 5&7 IN THE UNDERDASH JUNCTION BOX. THESE CIRCUITS CONTROL: #5 BCM, CYLINDER LOCK SWITCHES, DLC, DOME LAMP, POWER MIRROR AND DOOR LOCK SWITCHES, RADIO, TRUNK LAMP,...
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2003 Dodge Ram 1500 Truck 4.7L dont' know
i have an 2003 dodge ram 1500 long bed that appears to only overheat when snow plow is on the vehicle. i've had the snow plow on all season and have never run into this problem before. for the last week and a half, it seems that after driving for a good distan...
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1993 Ford Probe GT 2.5L No Start VIN: 1ZVCT22B4P
Good Morning Ford/Mazda Techs hears one for you guys.Ford Probe towed into shop Crank no start Checked for spark ok Cranks over sounds like its flooded.Pulled all the plugs and yep dripping with gas.Cleaned all the plugs and pulled the fuel pump relay and cran...
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1995 Ford Windstar GL 3.8L engine VIN: 2FMDA5147S
the intake manifold was loose and leaking,I re-sealed it, new gasket set,new thermostat,etc. The vehicle ran for 5hrs after this and then started too get hot. The next day the client drove the vehicle for about 15 minutes and it got hot again.The following day...
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1996 Ford F-250 XL 7.3L No Start VIN: 1FTHW26F4T
Unit was towed in, cranks but will not start, check engine and glow plug light come on and go off. All fuses in cab and in PDM are good and checked with at VOM. Swapped relays, no sucess. Checked IPR hsg-full of oil. Oil pressure gauge on dash comes up after a... Trouble codes: P0344 (Cam Sensor Circuit), P0630 (Internal Ram Error)
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1996 Ford Ranger Splash 2.3L Surge, MIL Lamp on VIN: 1FTCR14A3T
Fuel pressure is on spec and the only deviation was before relay changed.alternator was monitored for ac voltage as well as dc voltace constant output no spikes.vacuum is also constant,varing with aceleration and deceleration. maf would not recalibrate above 1... Trouble codes: P0340 (canshaft position circuit failure), P1443 (evap. purge flow system)
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2001 Ford Explorer Sport Trac 4.0L Poor Idle Quality, Hesitation, Surge, Poor Fuel Economy VIN: IFMZU67E41
HAVE A CODE OF 0171 & 0174 i REPLACE O2 SENSORS CLEAR CODES AFTER 30 MILES CHECK ENG LIGHT CAME BACK ON HAS ANYONE RUN ACROSS THIS BEFORE VAC IS OK PCV IS OK i WAS TOLD BY MECH TO REPLACE 02 SENSORS. Trouble codes: 0171 (system too lean banl 1), 0174 (sys to lean bank 2)
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2004 Ford Excursion Limited 6.0L Reverse sensing system VIN: 1FMSU43P94
Hey all, I have this Excursion we are Customizing. (see the project at www.engineeredautomotive.com under "on the go") we have reloacated the RSS sensors on the rear bumper, only to do a final check before painting and the system will not operate. Yes we have ...
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1994 GMC Jimmy SLE 4.3L Hesitation, Stall VIN: 1GKDT13W8R
Vehicle ws brought to me after all these things were done. I have spark Fuel pressure and delivery. Yes, Pulled plenum and each injector to visually see that they were squirting fuel. Cranking RPM's change on scanner. Base Pulse Width 5-6 ms. NO CODES! Have ch...
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2000 Honda Accord EX 2.3L Poor Idle Quality, Surge VIN: 1HGCG6572Y
Customer complained of surging when vehicle is started cold the idle is at 2000 rpm then as the vehicle warms up the idle starts to drop & surge sometimes after the vehicle warms up it will idle at 700 rpm All data seems to be fine Thamks for your time
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1996 Hyundai Accent GT 1.5L Mechanical VIN: KMHVD34N6T
customer stated vehicle wouldnt back up. the transmission appears to lock up when attempting to back up. vehicle can not be pushed at all when running in neutral,,pushes ok with engine off. the car will move forward but only with slightly increased throttle. i...
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1988 Jaguar XJ6 3.6L No Start, Poor Idle Quality, Cuts out, MIL Lamp on, no spark, poor idle VIN: SAJAV1647J
as you can see this one is a real bitch...if anyone can help please let me know...i have tried just about everything i can think of..my next move? thought about checking the crank sensor and cam sensor for refernce and output, but b4 i do i hope someone can st... Trouble codes: 3 (circuit 3 failure), 1 (circuit 1 failure), 138 (brake pads low), 215 (abs failure)
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1989 Jeep Cherokee Laredo 4.0L No Start, VIN: 1J4FJ58L5K
Hello This vehicle was running,now it's not. no spark no inj pulse, no RPM.I back probe crank sensor pins at ECU using scope. a signal but it's not strong, i suspect wrong flex plate. I checked b+ power ignition run power and all ecu grounds all appear good,i ... Trouble codes: X1211
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1993 Mazda MX-3 1.8L No Start VIN: JM1EC4341P
Hey Mazda experts.This lowered MX3 came in on the hook as a no start.Customer explained it had stalled when it skidded on ice and caught traction.Bang.No start. There is no visible damage underneath.My first thought was timing belt broken but it is intact & di...
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1994 Mercedes-Benz SL500 5.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, Poor Fuel Economy VIN: WDBEA67EOR
Hello everyone. I have this 94 SL500 in the shop with a strange problem. On initial start up the car runs fine, but after shutting it off and waiting about 10 minutes it becomes hard to start, backfires when starting , idles rough and smells like it is running... Trouble codes: 19 (fuel injector circuit fuel control)
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2000 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA31DXY
this vehicle failed emission testing because of code p0430 low catalyst efficiency bank # 2 i noticed a bulletin for p0420 low catalyst efficiency bank bank # 1 requiring pcm reprograming to expand the perameters for that problem . does any know of any \tsb's ... Trouble codes: P0430 (catalyst low efficiency bank 2)
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1996 Plymouth Neon High Line 2.0L front cam seal VIN: 1P3ES47C8T
I'd like to pick your brains on my Neon if I could. Before I make the repair, I'd like to know if there are any problematic areas I should know about reguarding the front cam seal on this sohc 2.0. Now, I've replaced lots of leaky, seeping seals on countless c...
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1999 Plymouth Breeze 2.4L No Start, Cuts out, MIL Lamp on VIN: 1P3EJ46X0X
CUSTOMER STATES CAR STALLS & WON'T RESTART AFTER 10-20 MINIUTES OF STOP & go driving. We have not been able to duplicate stall, but once after long drive vehicle would not restart.By the time we hooked the scan tool up it started. we have checked tps & baro/ma... Trouble codes: P0106, P0122
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1995 Pontiac Bonneville SE 3.8L Hesitation, Cuts out, Stall VIN: 1G2HX52K8S
HELP! This car came from a used car lot, stalling when ever it sees fit. Car lot owner changed ignition module twice (Napa parts) before bringing it to me. He says it will stall at idle or at 60MPH down the road. It might start right away, it might not. I've s...
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1996 Toyota Camry DX 2.2L Poor Idle Quality VIN: 4T1BG12K8T
car will not idle up with a/c working, vacuum swithching valve is good, has [...], no ground, wire is light green with black trace for ground, have checked all mitchell wire diagrams, (engine performance, a/c, pin voltage) cannot find this valve anywhere on th...
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2001 Volkswagen Beetle GL 1.9L Hesitation VIN: 2VWCP21C61
check engine light was on-scan test revealed code p1557-turbo waste gate bypass regulator valve. test on AllData only pertained to electrical side of the valve?? that part was ok. tested the operation of the vacuum side of the valve to the best of our abilitie... Trouble codes: P1557
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1990 Cadillac DeVille 4.5L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G6CD5332L
thanks to everyone who responded. car from hell is finally fixed.dont know what exactly i did wrong but after replacing dist with used one car started up good. all problems were gone. Trouble codes: E41, E30, E52.
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1993 Cadillac Seville STS 4.6L engine oil pump VIN: 1G6KY5295P
Thanks to all. Per info already in data base, I replaced the oil pump with a 'Clevite' aftermarket pump which has the standard poppett style pressure relief valve. Note: primed new oil pump with vasoline. Also replace oil pressure manifold with updated part, r...
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1997 Chevrolet Cavalier LS 2.4L No Start VIN: 4G1JF32T1V
If you look at the stated test data you will notice that every thing looks fine and computer is responsive to sensors . Well after running test after test and finding nothing I let the car sit for a few days . I came back looked at my data again and saw nothin...
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2000 Dodge Grand Caravan SE 3.3L turn signals VIN: 1B4GP44LXY
7 replies. Some of you have seen the flasher assembly cause problems. others suggested checking the bulbs. This was fixed when I replaced the flasher fuse. I had checked all fuses 2 times with a power probe. All checked ok. The fact that the flashers worked ma...
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1996 Ford Taurus LX 3.0L MIL Lamp on VIN: 1FALP53S6T
thanks to all that replied but we found an intermittent wiring problem as listed below . diagnostic computer scan check data stream & codes dtc p1413 present secondary air injection system . test as required per ford diagnostic flow charts, r&r solid state rel... Trouble codes: P1413.
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1998 Ford Ranger Splash 4.0L 4x4 VIN: 1FTZR15X7W
First of all: Thanks for the quick & helpful replies received; all of you honed in on the Transfer Case Shift Motor correctly!!! There was power going to the motor; tapping on the motor did not do anything, so we removed it & took it apart and disassembled it ...
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2003 Ford Ranger Edge 3.0L Poor Idle Quality, Hesitation, Cuts out VIN: 1FTYR10U83
thanks for all the replies i replaced the maf and cam sensor and got rid of all but the rough idle, #2bank seems most affected. another ford tech suggested cleaning the injectors.
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2000 Lincoln LS 3.9L Poor Idle Quality VIN: ILNHM87A9Y
thanks guys for your help, the car came back miss-firing again, found two more coils not firing right, replaced all coils and clear computer, test drive for 25 miles and ran fine, check next morning and engine ran rough for a few miles and then ran fine, check...
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1994 Mercury Villager (Van) GS 3.0L No Start VIN: 4M2DV11W9R
Thanks to each and every iATN Tech who took the time to reply and offer their help. Let me first set up the program, as I am sure many of you will enjoy a good laugh. I am the owner of a shop with three techs, plus myself. Nowadays, my floor time is limited al...
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2000 Pontiac Grand Prix GTP 3.8L fuel pump VIN: 1G2WR1217Y
Hello Group, Thanks to all that replied I couldn't of fixed this car without your help. Those that suggested the resistor were right on. What I was doing jumpering 12 volts to circuit 497 was bypassing the resistor. GM has a update kit P/N [...] that gives ...
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2000 Pontiac Grand Am GT 3.4L valve train VIN: 1G2NW52E6Y
Hi Thanks to everone for your help and suggestions. Turned out to be the least likely problem for a engine with only 60k. When I got down to the cam and rotated and inspected the cam and lifters found bad cam lobe also bad roller on lifter, however needle brgs...
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2000 Volkswagen Passat 4 Motion 2.8L oil leak VIN: WVWWH23B2Y
Hello all. I want to express my appreciation and thanks to all who responded. This was my first time using the IATN help request form and needless to say 'I was very impressed'. I had an oil leak that was coming form the cam adjuster/tensioner gasket. At first...
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