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Professional Automotive Repair Technical Discussions for February 4, 2006 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 1999 Acura TL 3.2L egr VIN: 19UUA5643X This clean, low mileage Acura failed its California smog check test for OBD functional problem. Has code P0401-EGR low flow intermittently. Replaced EGR valve and test drove...light came on and stayed on after 10 miles...passage is clear. Sugestions??? Much A... |
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| 1990 Cadillac DeVille 4.5L Excessive Emissions VIN: 1G6CD5330L The complaint on this vehicle was high exaust smell in garage on warm up. Found car running very rich at all times. Found o2 sensor no voltage and badly fouled, replaced o2 sensor. Now o2 reading is around 800mv at all times, closed loop. Lab scope shows stead... |
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| 1993 Cadillac Seville STS 4.6L Poor Idle Quality VIN: 1G6KY5299P this vehicle came into the shop running poorly. after removing the upper intake manifold cover, i found the map sensor and the fuel pressure regulator not to have vacuum lines. this vehicle has a sealed intake. are the map sensor and the fuel pressure regulato... |
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| 1995 Chevrolet Monte Carlo LS 3.1L no-crank VIN: 2G1WW12M8S Hello! This vehicle does not crank over! No power to purple wire @ starter! Checked power @ ignition switch, nuetral safety switch ect. = ok. It appears that anti-theft relay yel/blk wire is not being grounded by the theft module! I have 12 volts on that wire ... |
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| 1997 Chevrolet Venture 3.4L fuel pump cooling fans VIN: IGNDU06E4V Fuel pump and or cooling fans will start up at times when vehicle is shut off and they will run until battery goes dead. Checked power and grounds at computer ok When you pull relays out of fuse block they shut off. |
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| 1998 Chevrolet S10 LS 4.3L transfer case VIN: 1GCCT19W1W Gentlemen We have this pickup in with a no shift out of four wheel drive problem. It was in a couple of weeks ago for the same problem. At that time the front axles would not disengage from the diff. This was traced to a bad vacumm switch holding the diaphram... |
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| 1998 Dodge Grand Caravan 3.0L Heater Ducts This is a Caravan that I am putting together for my wife. It has set for about a year and when I ran the calibration test it kept failing. I found that 2 of the ducts were not moving. I tried tol lube them in the vehicle to no avail so I removed the complete h... |
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| 2000 Jaguar S-Type 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: SAJDA01D7Y hello everybody a friend brought me this car for internal engine noise. removed right bank valve cover found secondary timing chain broken. replaced all chains and tensioners. started the car and found a check engine light on with cam sensor codes 340 and 341 ... Trouble codes: 340 (cmp sensor circuit malfunction bank 1), 341 (cmp sensor circuit malfunction bank 2) |
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| 2000 Jaguar S-Type 4.0L Starting VIN: 5AJDAO1D9Y This customer has a jag that wont start, it will turn over there is no tach movement and we tried to spray carb cleaner in the intake and still no start. We feel the problem is in the anti thief system. We have a scanner and we get no information.I called alld... |
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| 2000 Jeep Grand Cherokee Laredo 4.0L Hesitation, Cuts out, Stall VIN: 1J4GW48SXY Thanks for checking this one out. Our customer came in with a complaint of an intermittant cut-out and a slight stumble/misfire. Upon test drive, we did experience a stalling when coming to stops and mostly at idle. It did in fact have a slight stumble which f... |
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| 1994 Land Rover Range Rover County LWB 4.2L No Start VIN: SALHC1349R I could use a little help from the Rover techs. This Range Rover broke down a week ago with a bad fuel pump. I replaced the pump with a dealer part-over $300. I also replaced the fuel filter. Car ran great for four days and then quit again. I checked it out an... |
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| 1986 Mercedes-Benz 300E 3.0L oil pressure VIN: WDBEA30D3G i post this for the machine shop next door , they are MB authorized for the west cost . there is a problem in rebuiding the 103 type engine , there seem to be a problem with oil pressure after the fact . with 15/40 oil , when you start the car , the gauge pegs... |
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| 1997 Nissan 200SX 1.6L No Start VIN: 1N4AB4ZDOV Vehicle came in DOA.When we checked for fuel and spark,it had both.Compression on all cylinders is good.We tested fuel pressure and found it to be at 65psi.When disabling the fuel pump the engine started and ran for a bit,enable it and it went back to a no sta... |
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| 1999 Oldsmobile Alero GL 3.4L Cooling Fans VIN: 1G3NL12E3X Help I have checked and changed coolant sensor,checked 5V ref. and ground. Have reflased PCM and still fans inop. I can comand on with scan tool on low or hi wich should mean relays and wiring ok,if i unhook sensor fans run but gauge drops to cold it does not ... |
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| 2002 Pontiac Grand Prix SE 3.1L Hesitation, Surge, Misfire VIN: 1G2WK52J02 This car has been in the shop for a week now. Customer picked up car Friday 3, and brought it back again(Apparently needed car for a minute) Other post was closed with no fix. We have put new plugs, wires, coil packs, ignition module, crank sensor, mass airflo... |
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| 1995 Saab 9000 CSE 3.0L no rev. int. VIN: YS3CF68W4S Car was brought to us with no power, no reverse, erratic shifting,and TCS light on. Scanned car with Tech II with Saab software pulled above codes. Then cleared codes and road tested. The throttle body code (B2434) came back after moving 5 feet. Checked IATN f... |
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| 1996 Toyota Tacoma DLX 2.7L power steering VIN: 4TAWM72NXT Customer brought vehicle into shop for various repairs and also wanted us to look into noisy power steering. We replaced the ps pump and also flushed the system but can not eliminate the noise. with vehicle off ground and system bled, no air in system fine. Bu... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 1995 BMW 325i 2.5L heat output VIN: WBACB4327S Thanks to all who responded.We ended up removing the heater control valve and inspecting.We found the rubber inside had broken apart and became dislodged blocking the flow of coolant.We replaced it and all is working great now.Thanks alot! |
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| 1988 Buick Electra Park Avenue 3.8L Noise VIN: 1G4CW51C3J Sorry it took so long but we had to wait for some rainy weather. It was the exhaust warping at least 3 inches to contact the floor board. Fix was we welded several braces on the pipe between the bends. I would not have believed it if it had not happened to me.... |
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| 1991 Chevrolet Astro 4.3L Poor Idle Quality, Hesitation, Dies at idle VIN: 1GBDM19Z1M I forgot to mention I did check the the EGR & the diaphram would not hold vaccum & would not even activate. The customer opted to put in the EGR valve with no change . He did not want to get into the fuel pump/filter due to excessive rusting of fuel lines & wo... Trouble codes: 33 (map sensor history code). |
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| 1991 Chevrolet Caprice Classic 5.0L Stero Amp VIN: 1G1BN53ESM I should've mentioned that the feedbeck noise is there KOEO to rule out any charging system problems. The problem was in the Bose amp. CorvetteRadios.com mentioned some green capactors in the amp (part#1615513) that will fix 95% of the problems these amps have... |
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| 1993 Chevrolet C1500 Cheyenne 5.7L fuel pump VIN: 1GCDC14K4P I replaced the oil sending unit, and have had good results. Thanks to all who replied, this is a great resource to fall back on.Sincerely Gabriel [...]. |
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| 2006 Chevrolet Silverado 1500 LT 6.0L transfer/driveline VIN: 2GCEK13N46 Thanks to all who replied, but I am unable to resolve this issue. I received 2 requests for the bulletin I acquired, one suggestion that it was simply an exhaust noise, one comment that someone has the same problem that an engine swap did not fix, and a sugges... |
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| 1998 Dodge Caravan SE 3.3L Stall, MIL Lamp on VIN: 2B4GP45R2W thank you for help we put a new napa crank sensor in veh and let client drive for the weeken no complaints so far,cam sensor tested and it is ok there was no crack flywheel.this trade is fun wish had all parts just install then not have to test not practical b... Trouble codes: 1391 (inter loss cmp ckp). |
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| 1996 Ford Mustang 3.8L 1-2 shift VIN: 1FALP444XT Hello everyone and thanks for the help no this one. As it turns out and as advised, there was no easy fix for this one. The unit had to be replaced. Many stated that sprag issues were most likely the cause. We installed and second used unit with continued othe... |
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| 1997 Ford Explorer XL 4.0L MIL Lamp on, erroneous data VIN: 1FMDU34X8V Despite everyones help (which I appreciate very much), I'm not sure I've learned very much or can help others on this one. The vehicle is out there and hasn't turned on the mil or set any codes. It has been driven daily many hunderds of miles now and runs fine... Trouble codes: P0171, P0174. |
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| 1999 Ford Windstar SEL 3.8L MIL Lamp on VIN: 2FMDA5348X I had the customer leave the car overnight and was able to verify a vacuum leak in the upper intake on initial start and went away after a few minutes of running I replaced the gaskets cleared the memory and so far so good. thanks to all who replied |
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| 1999 Ford Explorer XL 4.0L Poor Idle Quality, MIL Lamp on VIN: 1FMZU32X4X The crank sensor fixed the misfire code 1309 and the stalling problem, as I stated in the update I replaced the DPFE as one reply indicated it could cause my lean code issue. She has been on the route 2 weeks now and she reports all is well. Thanks again to al... Trouble codes: P1309 (misfire monitor error), P0171 (lean bank 1), P0174 (lean bank 2). |
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| 1998 Honda CR-V LX 2.0L MIL Lamp on VIN: JHLRD2843W Hello everyone and thanks for the help on this one. As most of many of the replies i recieved stated, an original Honda cat woudl fix it. This was a great customer, I explained the situation and he agreed to pay the extra to buy the Honda convertor and all is ... |
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| 2002 Jeep Liberty Limited 3.7L MIL Lamp on VIN: 1J8GL58K32 Thanks to all whom replied(IT IS A FIXED)the gas cap was the problem.Thanks Thomas. Trouble codes: P0442. |
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| 1986 Subaru Standard 1.6L fuel pump VIN: JF2AG5589G Thanks everyone. The most common suggestion received was simply to hotwire the fuel pump to the ignition (actually, hot-ground it through a relay) and be done with it. Instead, I tested the tps and maf sensors, scrubbed the oxidized contacts on both with a bra... |
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| 2000 Volkswagen Beetle GL 2.0L Engine First of all, let me thank all five techs taking their time to answer me help request. The fix was the crankshaft seal. After receiving wrong seals twice, I thought that the seal housing was cracked. So I replaced the seal housing with a correct crankshaft sea... |
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| 2000 Volvo S40 1.9L Misfire, MIL Lamp on VIN: YV1VS2554V i cleaned the injectors and moved #3 to #1 to see if the problem still happens. it may take a month to reset the code. we will update if the vehicle returns. Trouble codes: P0303 (cylinder 3 missfire). |
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