Automotive Technicians Technical Discussion and Fixes for Aug 17, 2011

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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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	Help Request	Answers
	1987 Alfa Romeo Spider Graduate 2.0L No Start VIN: ZARBA5640H Hello Techs, Can someone fax me the alignment procedue for the flywheel. We installed a new clutch, failed to index the flywheel (who knew) and now it will not start. Fax # [...] Thank you, MIcK	View
	2005 Audi A6 Quattro 3.2L Hesitation, MIL Lamp on VIN: WAUDG74F95 replaced high pressure pump with regulator valve N276, replaced low pressure fuel sensor, replaced high pressure fuel sensor, checked fuel pressure and delivery at primary fuel pump (in Spec) monitored power and ground side of fuel pressure regulator valve N27... Trouble codes: P2296 (fuel pressure regulator valve N276 short to B)	View
	2007 Audi A4 Quattro 2.0L engine VIN: WADUF78E37 This audi is dumping raw fuel on the plugs.Compression is 175 on all 4 cyl.Fuel pressure is in specs.My fuel trims are good Im getting good spark.However on my scanner the timing is reading -17 .I m leaning toward a timing belt I have never done one on an audi...	View
	2008 Audi A4 2.0L No Start VIN: WAUAF78E28 car was towed in for no starting condition. tow truck left and the car started right away. found neg battery cable loose and tightened. car started 5 times and when customer came to retrieve car we had no start condition. would not start the next day. let sit ...	View
	1998 Buick Park Avenue Ultra 3.8L Misfire VIN: 1G4CU5219W multiple misfires on number three .good strong spark from coil thru wire. compression 110. 60 running .pcm fires noid light.replaced injector in desperation,even though could fire the old one with tester .supercharger is very noisy .removed belt to supercharge... Trouble codes: 300 (misfire)	View
	1999 Chevrolet Malibu 2.4L noise VIN: 1G1ND52T5X I have a 99 Chevy Malibu that has a clicking noise like a blinker or flasher was on but no lights inside or out flash its not consistent but it will happen regularly. thanks in advance	View
	2001 Chrysler PT Cruiser 2.4L Compressor/Pcm VIN: 3C4FY4BB01 Vehicle came in with intermittant overheat problem, having been a few other shops on a trip from out of town. Had radiator fan motor, t'stat, timing, belt, and water pump replaced at other places. When we initially checked vehicle it had a bad radiator cap, bu...	View
	2002 Dodge Caravan SE 3.3L Wineing VIN: 1B4GP25392 car came in for whining fuel pump.was not making noise at this time. He was leaving on a trip so he wanted us to install a fuel pump and filter.Made two weeks and noise was back.I have heard it once but when i got it on a hoist it quit whining.If its making no...	View
	1970 Ford Torino Cobra 7.0L Tach VIN: 0A38J15588 Supposedly had a "new" tach put in it we found the tach is not even hood up under the hood near the firewall. Everything we know about tachs should be connected to neg. Side of coil to get a reading...all wiring that we have found say it hooks to pos. Side of ...	View
	2004 Ford F-150 Heritage XL 4.2L speedometer/shifting VIN: 2FTRF17204 looking for some help here. truck has codes p0720, p0722. both speed sensor codes. will not shift from 1st gear, once it gets to higher rpm in first, acts like trans is slipping but pulls fine in lower rpms in 1st & second. has used trans installed previously....	View
	2005 Ford Excursion Limited 6.0L Stall VIN: 1FMSU43P05 I have this powerstroke that intermittently stalls while driving. I have got it to stall on me four different times. The scenerio when it occurs is I will be driving at a steady cruise, I let off the throttle for a few seconds, just barely tip into the throttl...	View
	2006 Ford F-150 Harley-Davidson Edition 5.4L Mil light on VIN: 1FTPX12516 Hello all, I need some help on this Rousch F-150. It has a blower. The check gauges light comes on and the temp gauge pegs after aprox 12 miles of highway driving. It is an intermitt problem. Many post about faulty CHT senders. Could not condemn old one, but r...	View
	2007 Ford E-350 Super Duty 5.4L No Start, Poor Idle Quality, Stall, MIL Lamp on VIN: 1FDSE35L07 This E350 began as a CEL hard/no start. Found fuel pump was noisy and had low pressure replaced it. Truck still wouldn't start, grounded pump to chassis get 75psi. Repalced fuel pump driver still the same. Ohmed wires from fuel pump to driver on power and grou... Trouble codes: P0191	View
	2003 GMC Envoy XL SLE 5.3L does not accelerate VIN: 1GKET16P03 This vehicle acts up when it feels like it, cel comes on and low power light comes on and related code, checked for bulletins relative to problem, tried to reproduce long enough to check components, not yet happened. Checked wiring at throttle body, wiring at ... Trouble codes: P1516	View
	2003 Honda Odyssey LX 3.5L MIL Lamp on, Vsc VIN: 5FNRL18573 This van came in for both the MIL and VSC light coming on at the same time. The VSC light was on for a right rear speed sensor signal problem. The problem was verified with our scanner. The sensor was not reading the right rear wheel speed. Testing confirmed t... Trouble codes: P0135 (O2 sensor heater), 312	View
	2000 Infiniti I30 3.0L overdrive After driving on the interstate at about 80 mph for around 15 miles vehicle drops out of overdrive. If it is driven slower this does not occur. Pin 12 at the TCM applies B+ to the B shift solenoid to provide overdrive. I know the TCM is commanding the overdriv...	View
	2004 Jeep Liberty Limited 3.7L compressor clutch VIN: 1J4GK58K34 vehicle came with burned ac compressor clutch coil replaced compressor with new clutch, clutch will not engage jumped L P CLUTCH WILL NOT ENGAGE, power at pin 30 and pin 86 of ac relay jumped 30 to 87 at relay clutch engage jumped 86 to grd clutch engaged jump...	View
	1999 Lexus ES300 3.0L Surge, Cuts out, Misfire, MIL Lamp on VIN: JT8BF28GXX lexus tech help plz this car came from another shop has new coil packs and crank sensor codes are po1300 1315 1320 1325 wires from ecm are good looking for some hewlp to get this thing gone thanks for your time jimmy	View
	1997 Mercedes-Benz E420 4.2L drive VIN: WDBJF72F3V vehicle drives fine for about ten minutes, then check engine light comes on, trans feels like it goes into neutral. If i turn key off, then restart vehicle, engine light stays on, but trans works like normal for another ten minutes, then same thing. This all...	View
	2006 Mercedes-Benz CLK350 3.5L rear headrest restaints VIN: WDBTK56G76 Hi everyone, i have this me/be that had a high hit in the right front of the car. All was repaired. NO airbags deployed. No code in srs. Car was hit with the top down. the top will not electronically raise becuase the REAR HEAD RESTAINTS/ROLL BAR are locked in...	View
	2003 Mitsubishi Outlander LS 2.4L MIL Lamp on VIN: JA4LZ41G03 Hello! I have a 03 Outlander that has been back to our shop 4 times for the same code. The code is po456 evap system very small leak detected. Every time we have run the evap test it has passed! I know on some vehicles the forced test will not pick up a very s... Trouble codes: P0456	View
	2005 Nissan Altima S 2.5L assy drive belt VIN: 1N4RL11D45 Customer complaines of rattle in engine bay when in gear with A/C on. Drive or reverse. Rattle is still present when in neutral or park but to a lesser amount. You can see the drive belt vibrate & the tensioner vibrate back & forth. Replaced belt & tensioner, ...	View
	1992 Oldsmobile Cutlass Supreme 3.1L Stall VIN: 1G3WR11X3N This vehicle came to us with the complaint that it will stall at idle intermittantly. It initially had code 35 in it for Iac error. I found a vacuum line had fallen off and created a vacuum leak about 1/4 inch in diameter. Erased the code and test drove and ve... Trouble codes: 35 (iac error)	View
	1987 Pontiac Fiero SE 2.5L Backfire VIN: 162PE11R8H Pulled the car in and it would not go 5 mph without terrible backfire and misfire. Removed the spark plugs and replaced with AC delco, no more misfire but car still backfired. Sprayed vacuum lines and throttle body with brakeclean and around bottom are of thro...	View
	1999 Saab 9-5 2.3L No Start VIN: YSE3F48E1X Hello: Towed in no start mystery. No injection pulse, no spark and blows the 30 amp ignition fuse as soon as you turn on the key. Disconnect DIS module and fuse stays OK. I can trigger the injection pulse with my X-431 launch, cannot trigger any spark of cou... Trouble codes: P1640 (No voltage at main relay pin 1)	View
	2003 Saab 9-3 SE 2.0L Engine VIN: YS3DF78K23 Customer just purchased the vehicle and brought it to us for an engine noise. Noise seemed to be coming from the valve train so we removed the valve cover and found some bad lifters. There was a lot of engine slug as well. We replaced all of the lifters and PC...	View
	2004 Saab 9-3 Linear 2.0L computers CAN VIN: YS3FB49S04 i have a problem with a can network... no comunication i dont fully understand can too much... what do i do to get the communication... does anybody know where i can learn can through a website... any help appreciated	View
	2003 Subaru Forester XS 2.5L No Start VIN: SA1TG5C143 This vehicle initially came to me for a no start condition. Traced to blown link fuse for ecm which was caused by a wiring harness short under the intake manifold. Repaired the short and engine started and ran fine. A week later battery was drawing down over n...	View
	1987 Toyota Corolla FX16 1.6L Hesitation VIN: 1NXAE87G4H Hello everyone, I have an 87 Corolla FX-16 with the DOHC engine. It belongs to my son (just turned 16). I just did a head gasket kit on it (includes all the other needed gaskets), new water pump, timing kit, fuel filter, cap, rotor, plugs, Head was surfaced, n...	View
	2000 Toyota Tacoma SR5 3.4L Engine VIN: 4TAWN72N9Y Hey guys need a little help on this toyota, Installed two engines (JIM Remans)first one had a rod knock after five miles, install second one, when running with a/c on temp guage goes into the red at idle and freeway speed, turn a/c off and heater on temp guage...	View
	2003 Toyota Corolla CE 1.8L Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JTDBR32E23 car came in with p0301 and p0171. scanned and found map sensor only going to 65 under full throttle, customer changed map. Three days later back with same problem. Map test good upstream o2 stuck high and sluggish. Customer replaced o2. Three days later back w... Trouble codes: P0301, P0171	View
	2007 Toyota Tacoma 4.0L 4x4 VIN: 5TEMU52N87 Hey everyone, just wanted to say thanks in advance for any help I recieve. What I have here is a 07 Toyota Tacoma that is stuck in 4X4 low. I have checked all my fuses, powers, grounds and input signals and everything is good. What I am missing is the output f...	View
	2006 Volkswagen Jetta 2.5 2.5L Accessories VIN: 3VWRF71K56 there is a .8 amp draw from radio, on power distribution only radio is supplied direct power from #8 fuse, draw goes away with radio disconnected, customer states that they have replaced the radio already and problem is still present, I talked to volkswagen th...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2005 Audi A6 Quattro 3.2L engine VIN: WAUDG74F45 Thanks for the input, verified that the Audi described fixture is not required	5
	2006 Audi A3 Quattro 3.2L Horn VIN: WAUNF78P46 Thanks Dan- this is the first clock spring I have seen that had faulty wires without affecting the air bag! Greg and crew	1
	2003 BMW X5 3.0i 3.0L Charging VIN: 5UXFA53523 Well thanks to everyone who applied their talents. Most said They would never put on a "aftermarket NAPA" alternator, but this vehicle has had a bosch and then a NAPA alternator with no issues or problems. After spending some time reading pages upon pages of i...	12
	1994 Cadillac Eldorado 4.6L a/c blower motor VIN: 1G6EL12YOR Hello Fellow Techs ] Thanks for all the help. Sorry it took so long to post a reply. We have now contacted the customer once a week fo 3 weeks & he says all is well after approx 3 weeks. ] The OE grd tested very good under load. The original post stat...	14
	2002 Chevrolet C3500HD 6.5L Hesitation, Surge, Cuts out, Stall VIN: 3GBKC34F92 All 3 replies had vaulable information, but just not in the area i needed. I noticed the fuel gauge bounces around a lot so i am goin after a possible low fuel issue. It maybe sucking in some air on turns.	3
	2004 Chevrolet Cavalier 2.2L Actuator VIN: 1G1JC52F84 I stil didnt receive the information I needed, Except for David who offered that the control head was in charge of monitoring the travel. Although not knowing for sure, I did install an OEM part. I havnt heard any thing from the customer about failure of this ...	6
	2006 Chrysler Pacifica Touring 3.5L MIL Lamp on Thanx for all the help. EGR valve fixed it. weird having all those codes for just the egr valve. go figure its a chrysler Trouble codes: P0080, P0074, P0420, P2000, P00C0, P1080.	8
	2001 Dodge Caravan Sport 3.3L System VIN: 2B4GP44G61 well after all of that, got tired and decided to replace the evap and found out that a blend door was stuck open. so fix door and replaced evap and now is work how its suppos to work. customer happy. thanks to all	13
	2002 Ford Explorer Sport Trac XL 4.0L Wot operations VIN: 1FMZU77E92 I would like to thank everybody that took the time to send me there thoughts and ideas to correct this vehicle. The customer choose not to have any further repairs on this vehicle, he is simply going to drive it till it dies in its tracks. Just so everybody is...	19
	2002 GMC Savana 3500 5.7L 2-3 shift solenoid VIN: 1GDJG31R82 Thank you for the feed back on this one. As it turned out the vehicle had a chaffed wire, that would only touch when the vehicle was driven. I finally scoped the control circuit for 2-3 solenoid at pin 47 while driving the vehicle. I could see the circuit bein...	3
	2004 GMC Yukon XL 1500 SLT 5.3L rear wheel sensor? VIN: 3GKEC16G04 Never got the vehicle to act up. Had someone at the dealer scan for codes and got the exact code that I got with his Tech2. So, I replaced that wheel speed sensor and told the customer that this was a "best guess" repair due to the intermittent nature of the p...	11
	2005 GMC Envoy SLE 4.2L cylinder head VIN: 1GKDS13S95 I finished this job in timely matter,i did not have to take the front timing cover off,tha ENVOY is working perfect,i need to thank to all of you great techs that offered me advice over this job.THANKS AGAIN AND GOD BLESS YOU. ( by the way,cylinder #5 had a ...	10
	1997 Jeep Cherokee Country 4.0L Surge, Poor Fuel Economy, MIL Lamp on, Po0123 VIN: 1J4FJ78SVL I'm not looking to "close" this yet; what I want to do is to offer another update; is 12 the max number of replies for a given help request? I am a former iATN member that recently rejoined and there are a couple things that appear different from what I rememb... Trouble codes: P0123.	15
	2007 Jeep Commander 3.7L Ing. Ctlinder VIN: 1J8HG48K07 We contacted our local Jeep dealer there fix was to also replace the cylinder To do so they would need to also replace all the cylinders and recode the system at parts cost of over $900.00 ouch! customer was given this info in witch he had already contacted ...	8
	2011 Land Rover Range Rover 5.0L instrument cluster VIN: SALME1D40B Thank you Patrick from New York. I subscribed to the site you recommended. Great help problem solved. The site for Land Roved cost $6/day for the information I requested.	4
	2001 Mitsubishi Montero Sport ES 3.0L MIL Lamp on VIN: JA4MT1H91P Thanks for all the help. The fix was to replace the drivers side upstream sensor (which is bank 2). Rear sensor on that bank came alive after replacement of the front sensor. Tom [...] Trouble codes: P0174 (System too lean bank 2), P0154 (02 Sensor CKT No activity bank 2 sensor1).	5
	2002 Nissan Frontier SE 3.3L Poor Idle Quality, Hesitation, Misfire VIN: 1N6ED29YX2 Thanks for all replies but no luck on fixn this one.I replaced the distributor,both 02 sensors and maf sensor from nissan.Did not fix Trouble codes: P0328, P0300.	11
	1999 Porsche Boxster 2.5L door locks VIN: WPOCA2982X Well this one is diagnosed removed the the drivers seat and removed the module underneath, and opened it up and there is signs of green death inside of module. Talked to cust. and told him he would have to bring to dealer for module and get programmed. We left...	6
	2004 Renault Espace 3.0L Surge, Cuts out VIN: VF1JK0JDB3 Hi Guys, the car is finally fixed.Thanks a lot for the replies - the problem turned out to be one of the pressure valves on high pressure fuel pump.There are two of them which should be replaced together as I did.It was a little bit confusing because as I remo...	4
	1986 Toyota Cressida Luxury 2.8L nox VIN: JT2MX73E7G Yes problem with this old car was a carbon build up like every one said, clean egr passage and now everyting is good.	10
	1998 Toyota Corolla CE 1.8L Hesitation VIN: 1NX8R12E6W Man you guys are good, This thing is fixed. First response from Joe in Michigan says sounds like a front O/2. I thought No way I just replaced it a month ago (aftermarket). I never included this info in the original post because I was convinced there was no wa...	14

(Also Available: All, Asian, Chrysler, European, Ford, GM.)