Automotive Technicians Technical Discussion and Fixes for May 25, 2007

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	Help Request	Answers
	2002 Acura TL Type-S 3.2L humming noise VIN: 19UUA56812 This vehicle has a hum resonating from the intake and throttlebody. I isolated it to the IAC valve, which controls the idle perfectly. Disconnect and its gone. Ive tested the inputs and outputs and replaced the IAC. The ground, power and duty cycle is normal a...	View
	2005 Acura MDX 3.5L VCT light is on Does any body know how to do stering angle memorization procedure on MDX 05 without factory honda test tool, I know one pin on diagnostic connector has to be grounded for that and scanner dose it, but do not know which one. I have after market scanner but it d...	View
	1998 Audi A6 Quattro 2.8L Driver's seat VIN: WAUBA34B1W Customer's complant: the driver's powerseat is inop. (all functions)when the door is closed but all operational when door is open. Got access to the seat module to try to determine what I was loosing but I'm on a time line. I was able to go to the grn/yel wire...	View
	2001 Audi Allroad Quattro 2.7L air ride VIN: WAUYP64B01 Customer stated suspension just deflated. The only thing I found was wet connector at air pump.The only tool I have is otc with european chip. Code 1400 keeps appearing. I am trying to inflate air ride with this scanner. can it be done and what is procedure. M...	View
	1997 BMW 528i 2.8L dash VIN: WBADD6327V We have this bmw that everything works great but the ac only blows out the vents. We replaced the bower motor about 30 days ago and I dont feel there is any problem with the install because the customer said that he was driving down the road and just like magi...	View
	2001 BMW X5 4.4i 4.4L Poor Idle Quality, Stall VIN: 5UXFB33532 This bmw came in with a surging idle, the costomer had left the lights on and killed the battery. There was a cheak engine light on, the code was for a power interuption sorry dont have the number. We cleared the code and replaced the battery. the car came bac...	View
	1996 Buick Century Custom 3.1L Poor Idle Quality, Hesitation VIN: 1GAG85MXT6 runs ruff for 30 seconds and almost stalls at a standstill one minute after cold start then will run fine all day. i also noticed that if you stomp on it in reverse the motor cuts in and out. customer thinks it is "starving for gas"	View
	1994 Chevrolet K1500 6.5L MIL Lamp on VIN: 2GCEK19S3R Please help. We are familiar with how this system works. The problem is that with the "Slodis" hooked up and monitoring data, with the BAP sensor on firewall plugged in, key on, engine off, voltage reads 4.94 = no problem. When you unplug the sensor, then key ... Trouble codes: 33 (EGR Control Pressure/Baro Sensor Circuit High Low Vacuum)	View
	1995 Chevrolet S10 LS 4.3L Torque convertor VIN: 1GCCT19W6S The new convertor is squeeling now. My question it there something we overlooked or did we get a bad convertor.	View
	2002 Chrysler Sebring GTC 2.7L bcm VIN: 1C3EL75R12 This car came in 2 weeks ago with low r134 and leaking evap core. We orderd core from aftermarket suplier and came in wrong. We then oredered OEM from Dodge and installed. I recharged the a/c and road tested the car. A/c was blowing 39 degrees. Called customer...	View
	1999 Dodge Stratus 2.4L Unknown VIN: 1B3EJ46X1X Our Alignment guy is pulling his hair out... This Stratus came in with a clunk in the front end. A road test revealed many sources and noises- It needed an axle, stab links,both lower control arms, left upper strut mount. The crossmember and all related suspen...	View
	2002 Dodge Grand Caravan Sport 3.3L Battery VIN: 2B4GP44372 The Battery has a continuous draw. Fuse #14 when disconected stops draw on battery. Checked all Control Modules that run to fuse #14 and disconnected all at separate times and still continues to draw. Disconected BCM and Draw stops. Replaced with new BCM and s...	View
	2004 Dodge Ram 3500 ST 5.9L Hesitation, Surge VIN: 3D7MA48C24 when cold cuts out,surge bad,then goes,problem dissapears when warmed up Trouble codes: P0148	View
	2004 Dodge Caravan SXT 3.3L Misfire VIN: 1D8GP45R24 Hi Folks, I thought this would be an easy one, but I still have no spark from the middle 2 terminals of the new coil pack. Same as the original but I had no continuity on the old pack across those terminals and now that I have the proper resistance from the ne... Trouble codes: 2302 (Ignition coil A secondary circuit)	View
	1995 Ford Escort LX 1.9L No Start VIN: 1FASP14J4S Vehicle received as tow in. Customer said vehicle just died on him going 45 mph. Found 30amp fuel injection fuse blown. Replaced fuse and vehicle ran fine.Checked any obvious wiring for bare wires found nothing.Wiggled every harness we could get our hands on w...	View
	1996 Ford F-250 XL 7.3L o/d light VIN: 1FTHX26F5T I WOULD TO THANK ALL PEOPLE THAT TAKE THE TIME TO READ THIS HELP REQUEST. I HAVE AN FULLY IMPORT F250 6/96. THIS HAS AN OLD TPYE EEC IV DLC WITH SEVEN WIRES FITTED. IN AUS ARE EEC IV DLC HAVE 3 WIRES. I WOULD TO KOWN WHICH WIRE WHICH TO READ CODES. O/D LIGHT S...	View
	1996 Ford Taurus GL 3.0L 1-2 shift VIN: 1FALP52U2T transmission and ford guys i need help. snap on scanner not helping much. probably need to barrow a star tester to see more datat. but looking for quick help. when hot (after 10 miles or so) 2nd gear dissapears. shifts from 1st straight to 3rd, then od. no cod...	View
	2000 Ford F-550 Super Duty XL 6.8L Poor Idle Quality, Stall VIN: 1FDAF56S6Y This truck came in because it would die at stops. It only does it when it is warm. It is Intermittent. the idle goes down to about 400 when at stops and starts surging. when it is acting up there is a loss of power. timing was going low at idle even negative w...	View
	2001 Ford F-350 Super Duty Lariat 7.3L MIL Lamp on VIN: 1FTWX33F31 This truck has an edge programmer installed and when programmer is turned up, under hard accell, the cel will come on with code p1211. No other driveability problems. I've watched ICP and at WOT it will occasionally drop from about 2700 to 800 psi or so. When ... Trouble codes: P1211	View
	2002 Ford Taurus SE 3.0L alternator VIN: 1FAFP53U42 Hi, The alternator is not charging on this car and the battery light is on. The alternator was replaced before I got it, but did not correct the problem. I was doing the pinpoint test listed in Alldata, it says to measure voltage between the alternator conn. ...	View
	2000 GMC Yukon XL 1500 SLE 5.3L Transfer case VIN: 3GKF16T8YG Hello Group. Vehicle came to us with transfer case shifting in-op. ATC fuse blown. No com with TC module. Installed 15 amp circuit breaker, now have com and a C0387. Circuit breaker trips during shift attempt. Replaced shift motor (we had a new one). Cleared c...	View
	2001 Hyundai Elantra GLS 2.0L Cuts out VIN: KDMHDM45D6 Hello techs .Ive got a real good one here .This car will intermitantly shut down ecm .Check engine light flashes on briefly car shutters and then resumes.Checked ecm power and grounds all good. There are three power supplies to the ecm .One is constant power t...	View
	1995 Jaguar XJS 4.0L Hesitation VIN: SAJNX2744S with modis on generic obd2 lt fueltrim is at -89% on both banks and when code is cleared or battery is disconected to clear adaption fuel trim stays at -89% will not go back to 0%.which means the ecu is taking away fuel. also the maf is .03 grams per sec. at i... Trouble codes: P0727 (engine speed input circuit no signal), P1775 (manufacture specific code), P0430 (catalyst below threshold bank 2), P0420 (catalyst below threshold bank1)	View
	1999 Jeep Cherokee SE 4.0L p0700 VIN: 1J4FF28S4X I need a description of operation of the input shaft RPM sensor. It reads the RPM in park/neutral and 1-2 shift, but stops reading in 3-4 shift. Is this normal or not? The Jeep did not stall on every road test, either cold start or warm start.	View
	2002 Kia Rio Cinco 1.5L MIL Lamp on, OCCASIONAL BOG DOWN VIN: KNADC16362 Wondering if anyone has run across this fault. CMP sensor signal is good on oscilloscope, but the CKP sensor seems to show extra pulses. Mitchell's test procedure for P0340 says code will set if PCM does not see CMP signal for 4 seconds, it then has you check ... Trouble codes: P0340 (camshaft position sensor circuit fault)	View
	1994 Lexus LS400 4.0L Engine VIN: JT8UF11E7R We replaced the starter under the intake manifold and used all new gaskets going back together. It has fuel pressure in the crank mode, but dies off in the run mode. We have spark to all 8 cylinders and the spark plugs smell like fuel. Alldata and Mitchell do ...	View
	2000 Mazda Protege DX 1.6L Poor Idle Quality, MIL Lamp on VIN: JM1BJ2221Y Guys thanks in advance. I have a code 507 that keeps coming up on this mazda and i am pulling what little bit of hair i have left out. We have replaced the air intake boot and inatalled a new idle air control unit. Cleaned the throttle body and checked for lea... Trouble codes: 507 (Idle control curcuit to high)	View
	1992 Mercedes-Benz 300SD 3.4L wont turn off VIN: WDBGB34EXN i have a 92 turbo diesel that wont turn off even with the ing switch removed and all relays i dont know to much history with turbo merz	View
	1999 Mercedes-Benz E280 2.8L Blend doors VIN: WDB2100631 Need some help. This is a European spec car, but I don't think it will make much difference. It has dual zone. It will only blow air conditioned air out of the center vent. The side vents, foot and rear vents get heated air. Also, regardless of where I want th...	View
	1996 Mitsubishi Mirage S 1.5L will not run monitor VIN: JA3AA26A6T This car runs well and has been put through the drive cycle in TSB 00-13-005 many times,but will not run even the o2 sensor heater monitor.The sensor heater has 10 ohms resistance,the car enters closed loop quickly and fuel trims never go over 6%.Here in GA. w...	View
	1994 Nissan Sentra E 1.6L Insterment cluster VIN: 1N4EB31FXR Owner has replaced the battery and alternator. Stated that when starting car the instrument cluster is inoperative and while driving there will be a loud snapping noise at which tine everything will work fine. Car will do this every time it is started. When as...	View
	2002 Nissan Sentra CA 1.8L MIL Lamp on VIN: 3N1CB51D42 The car came in for failing emissions. The owner was unaware of a problem because someone cut the light in the dash so the check engine light would be off. I repaired the light and cleared the codes. Both codes came right back. The codes are for communication ... Trouble codes: P0600 (p1605-), P1605	View
	1997 Oldsmobile Cutlass Supreme SL 3.1L Misfire, MIL Lamp on VIN: 1G3WH52M7V Car came in with misfire code po302, found #2 plug shorted, rplaced all plugs, wires, test ran now has code po300 random misfire all cylinders except #4 showing misfires with # 2 with the most, replaced injectors with good used ones due to customers budget, mo... Trouble codes: P0300	View
	1966 Pontiac GTO 396CID Heater VIN: 242176K122 I need to replace the heater core on this one and cannot find any repair information. Does it require removal of the right side inner fender to get at the heater case mounting fasteners? It does not have air conditioning. Thanks, Bob	View
	1989 Pontiac Firebird 5.0L drive line VIN: 1G2FS21E2K This car has a vibration in the drive line at 80mph, it clears up at a higher speed and not evident at a lower speed. I have checked the motor mounts and trans mount. The ujoints seem fine, the dirve shaft has no marks from being hit and the rear bar connectin...	View
	2001 Pontiac Grand Am SE 3.4L Theft Deterent VIN: 1G2NF52E51 I know in GM we see the B2960 (Passlock incorrect but valid)often. We'll I've got one that's been a real pain. I'm kind of buried in someone else's mess. This vehicle was in several months ago for a no start. It had a B2960 stored in the BCM relating to the v...	View
	1986 Porsche 944 Turbo 2.5L slave cylinder VIN: WP0AA0955G unit came in with clutch pedal to the floor. replaced clutch master and slave[customer supplied after market]have checked all lines and have found no leaks. tried various procedures to bleed the system and none have worked	View
	2001 Porsche 911 Turbo 3.6L MIL Lamp on VIN: WPOAB29931 This is the second time this car has been in our shop. This car initially received an oil change from a local quick lube. We were informed from the customer that the car had been over-filled with oil and while leaving the lube shop the car was billowing smoke ... Trouble codes: P1411 (secondary air injection system cyl.4-6)	View
	2003 Saab 9-5 Linear 2.3L mil VIN: YS3EB49E33 This one came in because the coolant all leaked out because the heater bypass valve sprang a leak. There was no engine damage (smart owner) and a new valve fixed it. However, there was a trans mil after restart. Code P0116 (Engine coolant temp sens circuit per...	View
	2005 Suzuki XL-7 LX 2.7L A/C Recharge VIN: DFG1345TDF Well a another Lube shop Claimed the life of another Engien and So we have had the great opertunity to put a motor in the car and got that all done except when we went to recharge the A/C there is no sticker on the car on how much to fill it and looked on Mitc...	View
	2002 Volkswagen Beetle GLS 1.9L fuel gage VIN: 3VWCP21C22 hay v.w masters i have this bettle in here the low fuel gage lite is on the rest of the gage shows 3/4 tank and its accurate by on pluging sender fuel gage shows empty with lite on alldata wireing die isnt vary clear shop key shows the violt / black going to p...	View
	1998 Volvo S70 2.4L odometer VIN: YV1LS5533W i have a 1998 volvo s70 that the odometer is blank. also the service reminder light is on and will not reset. has anyone ever come accross this problem? thanks in advance. ed.	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1996 BMW Z3 Roadster 1.9L MIL Lamp on VIN: 4USCH7328T Hello All, The mechanic before me put a lot of time and $$ into this car and could not pin down the problem. While we worked the random missfire code issue it seemed to get worse with only two or three cycles going by it would reset several random missfire c... Trouble codes: 300 (Random Missfire), 302 (Random Missfire).	10
	2001 BMW 530i 3.0L Battery / Alternator VIN: WBADT53491 Wow, what a resounding 'do not / never disconnect the negative battery cable while the car is running' from all of you guys!!! I now take it that was a stupid diag. procedure. Don't know what it was, but my goofy brain just told my arm and fingers to grab a 10...	15
	1986 Cadillac DeVille Touring 4.1L vacuum pump VIN: 1G6CD6988G thanks to all that replied. i ended up having local parts supplier send in my pump for rebuild.pump is at rebuilder now and i was told it is rebuildable so i'll see what happens.	11
	1990 Cadillac DeVille 4.5L Cruising by itself VIN: 1G6CD5338L Base idle adjust to 550rpm, after warm up adjust TPS parameter to 2.5, disconnect battery, ISC relearn. Car runs & idles great, thanks to everyone for supporting, especially thanks to JUAN. Thanks...	13
	1995 Chevrolet Lumina APV 3.8L Stall, MIL Lamp on VIN: 1G2HX52K25 Well chris from indiana put me in the right direction about checking the purge valve,i checked to see if i had voltage to the valve and found there was no power .So i started checking the wiriing and found it had shorted to ground,so i repaired the wire and ch... Trouble codes: 1430 (Quad driver 1), 1470 (Quad driver4).	7
	2000 Chevrolet S10 2.2L Poor Idle Quality, Misfire VIN: 1GCCS1943Y Thanks to all that offered help. As it turn s out the ecm was bad. we had to send to dealership to replace because they had to reprogram it Trouble codes: P0200.	19
	2002 Chevrolet S10 2.2L Cooling System VIN: 1GCCS14562 Hey guys!!! Sorry for the delay, I have had other cooling system failures that have slowed the process down. I have just got enough hours on the coolant to get an accurate sample and am waiting for that info. I have involved an chemist and engineer that we hav...	11
	2004 Chevrolet C4500 Kodiak C4C042 6.6L No Start VIN: 1GBC4C1104 to fix this vehicle I found that someone had put the fuel/water seperator with channel locks and put a small hole in it. It would lose prime and not start and also when putting in a new or reman dash the computer has to be flashed for everything to work right ...	5
	1994 Chrysler Town & Country 3.8L unknown Vehicle was a no show. So I don't know if it is fixed or not. Owner had a friend that assumed it was the master cylinder, so they may have replaced it. If it does return and I find something else I will post later. Replies suggested almost anything on system. ...	24
	1995 Chrysler Town & Country 3.8L convertor VIN: 1C4GH54L2S Thanks to all who replied. Most suggested doing a fluid and filter change with ATF3 plus an additive. I tried this and there was no change in the shudder. With the pan down there was some metal filings stuck to the magnet and the fluid had a bad odor to it. Ev...	9
	1998 Dodge Neon R/T 2.0L No Start VIN: 1B3ES42Y4W Well, everyone that said to check timing belt was right. We took the cover off, and after lining up both cam gears, crank gear was 3 teeth off. It had a new belt, so someone blew it before we got it. Thanks again from everone!!	15
	1969 Ford Newell 460CID compression Thanks for all the replies. I made an error when checking the firing order I miscounted the cylinders on the left side 1-4 and 5-8 on the right side. The reason I did this is because Ford caps have number one labeled on them and that wire is connected to cylin...	11
	1997 Ford E-350 Econoline XL 7.3L Fuel gauge VIN: 1FBHE31FXV I do know that it has a plastic float. I am now off to check the ignition power to the gauge to see if I am loosening it when the key is turned off. Thanks	3
	1998 Ford Explorer Eddie Bauer 4.0L 3rd brake light VIN: 1FMZU34E6W Most replies told me to check for grounds which were all fine. I talked a a tech from the Ford dealer I deal with and he told me there is no info on checking it but every problem he has had has been the third brake light assy. When the car came back to replace...	7
	2000 Ford Ranger XL 3.0L epc VIN: 1FTYR14V1Y This truck is finaly fixed I would like to thank the three that took the time to reply to me. Sorry for the long delay in this fix but had to wait on the trans shop to replace a broke drum which came from the hight trans presure. Every reply that I recevied sa...	3
	2001 Ford Explorer Sport 4.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1FMYU70E81 thanks ffor the help replace cat for being partial plugged and oxygen sensor Trouble codes: P0135, P1131, P1132, P0172, P0301, 302, 303 (cylinder 1 2 3 misfire codes).	7
	1995 GMC C1500 Sierra SL 4.3L NO Spark, Fuel VIN: 1GCEC14Z9S Just yesterday I talked to a person and he told me to check the stearing columb and or tilt the steering wheel a couple of times untill you see the lights in the dash come on and then start the truck (its a common problem in Trucks) and you know to my surprise...	11
	1995 Honda Accord EX 2.2L Head VIN: 1HGCD5655S Thanks again for all the help. The advice was pretty unanimous. We found a good used motor with 80K on the clock and stuffed it in. It looked real clean inside the valve cover and had no fluid leaks. Customer picked it up today.	27
	2000 Honda Odyssey EX 3.5L Transmission VIN: 2HKRL1865Y Hi all the good people out there. As you can see this van had problem with trans and may still under warranty. So, I would send it back to dealer. Most of your answer were internal trans problem and recommend send it to dealer. Again, thank you very much for a...	22
	2004 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, Misfire VIN: 1J4GW48S04 Well, Thank you guys for the helpful advice. My supervisor let the vehicle go back to the driver, I looked it up in our system today and it has 1600 miles put on it since I worked on it. Your advice was very good, I sorry that I could not use it, but I will su... Trouble codes: P0306 (6 Cyl. misfire).	6
	1998 Mercedes-Benz ML320 3.2L No Start VIN: 4JGAB54E1W Thanks to those that responded, most said that these vehiles hav problems with the crank position sensor and to start with replacing it. We replaced the sensor and the vehicle has been problem free for several weeks now.I included all of the posts that i reciv... Trouble codes: P0700, P0460, P0400, 104 (reverse gear park lock solonoid y66/1), 116 (transmission oil temp sensor start lock out con.), 137 (transfercase contr.can.com impulse).	15
	2003 Mercury Mountaineer 4.6L Front Drivetrain VIN: 4M2DU86W83 Well, it has been two weeks and its not back, so we are going to call this one fixed! We replaced the front drive shaft (transfer case to front diff.) and replaced all the bearings in the front diff. even though they didn't look bad. I think the drive shaft wa...	3
	1987 Nissan 300ZX 2+2 3.0L Excessive Emissions VIN: JN1HZ14S2H Well this car is fixed! Turns out the O2 sensor was biased rich, causing a lean fuel mixture and raising the combustion temperature. I had scoped the o2 sensor and it looked ok, but it was biased rich. Many of you had said that the mass airflow sensor could be...	8
	1997 Nissan Maxima GLE 3.0L Cuts out VIN: JN1CA21D5V I got 2 replies to this problem , the wiring harness next to the front right strut tower is a stress poing due to engine torqe and movement , I tugged on it and recreated the stalling , onece that was done I opened the harness and founed the crank sensor wires...	3
	1998 Nissan Sentra 1.6L No Start, Poor Idle Quality, Stall VIN: 1N4AB41D1W MY APOLOGIES FOR THE LATE CLOSE... most seemed to think i should go back to the old puter...but like i said, it tried to run onm the new/used one... i was reminded by a couple to scope my ckp, and my cmp signals, which i did. both were good. it was also sugg...	10
	1998 Plymouth Voyager 3.3L caliper VIN: 2PG4GP2534 i had air which we could not get rid of . replaced rear right wheel cylinger , left front caliper and master. still air coming out of left caliper. replaced left front caliper second time and problem went away. must have originally been left front caliper, but...	8
	1999 Plymouth Grand Voyager Expresso 3.3L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 2P4GP44R9X Flexplate was broken. The center, where it bolts to the crankshaft had completely seperated from thew rest of the flexplate, creating a sort of 'hub.' Frankly, I'm surprised the vehicle started. Trouble codes: P1391.	3
	1995 Pontiac Firebird Formula 5.7L No Start, Stall VIN: 2G2FV22P7S thanks to all who replied, replaced the opti-spark dist with one from the dealer and the car has not had any problem since. time will tell, as for the vent hoses they were checked and found to be in good working order. Thanks again for the input.	6
	2000 Pontiac Bonneville SSEi 3.8L MIL Lamp on VIN: 1G2HZ5419Y Thank you Robert, Andrew and Doug for your suggestions. Unfortunately the customer decined additional diagnostic work before we were able to repair the vehicle. Robert mentioned checking the leak detection pump vent valve may be leaking internally,letting off ... Trouble codes: P0440.	3
	2006 Porsche 911 Carrera 4S 3.8L oil reset light VIN: WPOAB29926 Thanks for all response had to update comp. thought it was already done but after a little discussion found out was not.Reset light and all is well	1
	1998 Saab 900 S 2.3L MIL Lamp on VIN: YS3DD55B5W Customer took car away and has not yet returned. Justin [...] said to smoke the intake because P0133 is usually caused by an air leak. It could also be a bad purge valve sticking open intermittently. It was also suggested that I replace the oxygen sensor... Trouble codes: P0133 (oxygen sensor 1 slow response).	5
	2000 Saturn LW2 3.0L MIL Lamp on, P1511 VIN: 1G8JW82R9Y In this case it seems that cleaning the carbon buildup out of the throttle body and plate allowed the throttle control to operate freely. The car has been driven daily for almost a week and all seems well. Thanks to all who replied! Trouble codes: P1511.	6
	2003 Saturn Vue 3.0L MIL Lamp on VIN: 5GZCZ63B42 I had three quick replies to this one. All three recommended replacing throttle body first and then wiring harness if problem returned. This Saturn, having had the stat replaced and VC gaskets replaced by the dealer, has cost the owner a bit of change already.... Trouble codes: P0121, P0221, P2135 (correlation tp 1 / tp 2), P1779 (torque delivered signal).	3
	2005 Subaru Outback XT 2.5L Misfire, MIL Lamp on VIN: 4S4BP67C25 thanx for all the replies the problem was the injector which the dealer replaced under warranty!!! it took them a long time to figure it out so i dont feel too bad asking for help!!! thanx again, iatn rocks!!! Trouble codes: P0301.	9
	2000 Toyota 4Runner Limited 3.4L Misfire VIN: JT3GN87R4Y Sorry for taking so long to post but in lasst several weeks lost my mother & father in law. As usual iatn comes to rescue. We got car back in & swap to coils just in case it came back. I got the matco MST6440 crank pull tool & retorqued to specs. Called custom... Trouble codes: P0300, P0303.	17
	2001 Volkswagen Passat GLS 2.8L MIL Lamp on VIN: WVWTH63021 this one is finally fixed. after grasping at straws started unpluging connectors found coolant temp sensor full of coolant. Relaced sensor and still had same code p1171 after about 15 miles drve time. started checking other connections and found coolant had tr... Trouble codes: P1171, P0321, P1579, P1542, P1545, P0507.	3
	2001 Volvo V70 T5 2.3L Mechanical VIN: YV1SW53D81 Thank you to all that responded. We have VIDA and did scan for faults in all systems. No pertinent faults were logged. What we found was that the electric engine cooling fan although operable, intermittently would not run on the high speed function when the A/...	8

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