Automotive Technicians Technical Discussion and Fixes for Feb 20, 2012

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	Help Request	Answers
	1997 Audi A4 Quattro 2.8L No Start, Hesitation, Stall VIN: WAUEA88D6V Car came back with the same problem after a month. It was towed in with no start. We tried starting the car on parking lot first time and it just cranked. Second time we tried starting it, it started and since then, stars everytime. Now the car hesitates sligh... Trouble codes: P1340 (Camshaft position sensor G40 / Engine speed sensor G28 - Incorrect Correlation), P1392 (Camshaft position sensor bank 2 G163 - Open short to plus), P1505 (Throttle idle switch F60 - Does not close or open circuit)	View
	1998 BMW 528i 2.8L No Start VIN: WBADD6327W Thanks inadvance for your time.I have a problem BMW,that starts cold every time,after warming up has intermmitant hard start.Vehicle came in 2 weeks ago for no intermittent heater operation along with radio not operating and hard start.I replaced ignition swit... Trouble codes: 241 (Misfire 4), 242 (Misfire 5)	View
	1995 Buick Park Avenue 3.8L Cooling Systems VIN: 1G4CW52K5S Hello all, and thanks in advance. As stated this is a regular customer of ours and we have done lower intake and new plenum less than a year ago. Car came back in yesterday with a radiator full of BROWN milkshake. The oil is about 2 quarts low on the dipstick....	View
	2004 Cadillac CTS 3.6L block VIN: 1G6DM57734 Needs motor does this motor have to come out bottom with trans or can it come out top without trans GM's procedure to take it out the bottom seems unnecessary.Thanks in advance. Jim	View
	1997 Chevrolet K3500 Cheyenne 7.4L Poor Idle Quality, Misfire VIN: 1GCHK39J6V Engine in this truck was replaced after getting washed with fuel while towing a camper and fuel regulator failed. Owner of the shop's truck-(My father-in-law). He has been wanting to repower it anyway. New Jasper transmission too. Anyway- the engine is cutting...	View
	1999 Chevrolet Astro 4.3L Misfire, MIL Lamp on VIN: 1GNEL19W1X showes missfire #1 2 and 3 cyl most miss on #2 some times most # 1 , checked compression all cyl 150 155 plugs good and clean did injector leak test drops 10 lbs each cleaned on car with 3m cleaner vacum good dist timing 0 did waveform on cam and crank sensor ... Trouble codes: P0300	View
	2003 Chevrolet Cavalier 2.2L starter VIN: 1G1JC52F53 Customer complaint is he has a no start, and has to jump the battery. However, only happened twice. First time, about 1.5 years ago, customer was driving down the road and the vehicle just died. Had to have jumped to get going again and then everything was fin...	View
	2004 Chevrolet Aveo 1.6L Mechanical VIN: KL1TD52674 Hey fellas. Customer brought me this aveo told me he wants a new oil pump installed. He even bought the pump at the dealer. Original complaint was low oil pressure hot. He said it down to around 5-10 psi. I told him I wanted to double check the pressure and ha...	View
	2007 Chevrolet Impala LT 3.5L Poor Idle Quality, Stall, Misfire VIN: 2G1WT58K67 came in with 2 wk history of increasing difficulty just at startup. verfied fuel volume and quality, spark, wires, plugs, no vacuum leaks. On cold startup only, and lasting no more than 5 seconds sometimes less. Car will behave like wet plugs, a misfire that c...	View
	2003 Chrysler Town & Country LXi 3.8L 4th gear VIN: 2C4GP54L23 Transmission was rebuilt at 218000 miles for no 4th gear. 4th clutch was burned up and all other clutch packs were clean. Was the original trans from new. Also had worn ring & pinion and complete planet replacement. New speed sensors & sol pack & converter. Va...	View
	2000 Dodge Dakota 4.7L Check Engine Light On VIN: 1B7GG22N8Y This dakota came in with a check engine light on and the transmission feels like it slips on take off and jerks forward. It has a code p1793. We were told we should have 10 volts or less at pin 10 of the transmission control module we have 12. We cut the wire ...	View
	2004 Dodge Ram 1500 ST 5.7L Transfer case module VIN: 1D3HU18D04 This dodge will randomly light the Serv 4x4 indicator and then 4x4 becomes inoperative until next key cycle, Has history code stored "Internal Error", since all power and grounds are good I am assuming the control module is bad, wondering if anyone else has ru...	View
	2005 Dodge Sprinter 3500 2.7L Cuts out, Stall VIN: WD2PD54475 Vehicle was towed for died while driving and would not restart. Scanned for codes, found originally had p2091 o2 sensor problem, p2511 egr valve signal ckt shorted, p2500 fuel pressure solonoid open, p2017 fuel rail psi malfunction in rail pressure is to low. ... Trouble codes: P2047 (Fuel pressure malfunction exceeds maximum limit), P2051 (Fuel pressure malfunction exceeds maximum limit)	View
	2006 Dodge Ram 2500 SLT 5.9L Starting VIN: 3D7KR28C76 help mastertechs, this truck has a bad totally integrated power module (fuse box underhood) new unit is $800.00 plus flash (thru factory scan tool) can a used unit be flashed? thanks for help.	View
	2007 Dodge Caliber SE 2.0L Starter VIN: 1B3JB28B57 This car came in on a hook with no start/crank tested starter starter bad installed new starter will start but made noise when cranking the flywheel was broke/craked installed new flywheel thought all was well car came bake two months later with the starter bu...	View
	1997 Ford Explorer XL 4.0L master cylinder VIN: 1FMDU34X9V this car developed a massive leak at the clutch master cylinder i replaced the master cylinder when i went to bleed it out i noticed that the quick connecter was disconnected i reconnected the line and went to bleed it out all was fine until it started to get ...	View
	1998 Ford Contour GL 2.0L Air bag light VIN: 1FAFP6536W The air bag light flashes a few times in a row while driving down the road intermittently then goes back off. Most of the time the light behaves normally. My snap on scanner does not communicate with the air bag module or the cluster. I have no way to know if ...	View
	2007 Ford F-350 Super Duty XLT 6.0L No Start VIN: 1FTWW31P97 Last month customer complained of long crank time. It was my first ficm reprogram. 2 of the ficm hardshells have broken retainers , i tie strapped them on. Connections look good at ficm. Used a mirror. No codes. When i watch data truck starts as soon as ficm s...	View
	2008 Ford E-250 4.6L passing gear at WOT VIN: 1FTNE24W08 This vehicle is slipping between 30-35mph during kickdown only at wide open throttle. The trans had been replaced, and this problem occured shortly after. The trans was warrantied for the line pressure drop, but it still drops out. The line pressure is droppin...	View
	2000 GMC C7500 Topkick C7H042 7.4L crank sensor VIN: 1GDJ7H1D6Y I put new engine in this truck and when engine is cold it runs perfect, but when it reaches normal operating temp it sets a crank code po336 and starts to backfire through exhaust. at one point the converter started to glow and flames were coming out of the ta...	View
	1994 Honda Accord LX 2.2L Battery, Fan VIN: JHMCD5636R Hello all, I have a customer's 1994 Honda Accord LX that seems to keep draining the battery. When the car is jump started after the battery is dead, the main fan kicks on, then when the car is started, fan shuts off and resumes normal operation until the batte...	View
	1999 Honda Civic EX 1.6L Excessive Emissions VIN: 2HGEJ6581X -Car came in for safety and emission test with check engine light on -Initial emission test failed on NOX -Safety and inspection found cracked exhaust manifold and code for O2 sensor heater circuit -Replaced manifold and Oxygen sensor at the same time. Had ...	View
	2004 Honda Pilot EX 3.5L No-Start VIN: 2HKYF18524 Vehicle runs and starts normally over 40 deg. When it sits overnite and goes below 30 it will not start right away in the morning. After cranking for a while it misfires a little then starts and sputters for a few moments then clears up and runs fine all day. ...	View
	2003 Jaguar XJR 4.0L electrical connector VIN: SAJDA15B53 electrical connector on right front of trans behind cat conv leaking my question is how to repair thanks for all help mark note this car has a mercedes bens trans with #r140 271 26 01 on the case	View
	2005 Jaguar XJ8 4.2L MIL Lamp on VIN: SAJWA79C95 Unable to pinpoint cause for fault code P0629 (Fuel pump A control - Circuit high. A new fuel pump has been installed but concern persists. Monitored fuel pump relay power supply to the Rear electronics module, no fault. Ground signal ok. Wire harness integrit... Trouble codes: P0629 (Fuel pump A control - circuit high)	View
	1998 Jeep Grand Cherokee Laredo 4.0L Tcc VIN: 1J4GZ48S1W Thanks ahead of time for any help. This jeep has a tcc that cycles on and off, sometimes the overdrive also cycles. It has a 42re trans, we have replaced the tps and output speed sensors, the pcm is commanding the tcc to cycle as seen on a volt meter to the tc...	View
	2005 Jeep Liberty Sport 2.8L low power VIN: 1J4GL485X5 I cleared the codes & installed air filter tight retested. Now codes p0401 p0299 return It seems to have a little more power but is still sluggish. I didn't see any loose intake hoses or anything obvious. I performed a drb compression test which looks ok I thi... Trouble codes: P0401, P0101, P0564, P0299	View
	2008 Kia Sportage EX 2.7L transmission,4wheel drive VIN: KNDJE72398 Car came in for tpms light on and 4 wheel drive light flashing.Car had multiple codes in it for can communication failure and speed sensor code on tire pressure monitor system and trans has speed sensor code.Went to check abs codes and can not communicate abs ...	View
	2002 Lexus ES300 3.0L Poor Idle Quality VIN: JTHBF30GX2 Thanks in advance. This Lexus sat for 6 weeks and the battery went dead. Charged battery that is 6 mos. old. Now the car will not hold idle. It drops to 150-200 rpm and eventually stalls. I do not see anything for idle reset procedures. Any help would be great...	View
	2002 Lincoln LS 3.9L Abs VIN: 1LNHM87A82 Intermittent ABS light. Code C1223, indicating loss of LF wheel speed sensor (WSS) signal. With scan tool (Snap On Verus), LF WSS intermittently reads 1-6 mph, bouncing back and forth, while vehicle is stopped. All other WSS read zero. Once vehicle is moving, ...	View
	2002 Mazda Protege DX 2.0L Alternator Attn Mazda Techs. I had a vehicle come in for a battery light on. I tested the alternator and found it to be charging at 12.8V under a load. I replaced the alternator only to find once I started it to test it that everything that receives electrical power is l...	View
	1977 Mercedes-Benz 300D 3.0L 3-4 shift VIN: 1231302021 The customer brought the vehicle in and stated it had no 3-4 upshift (or overdrive whichever you prefer)he said it acted as thou it was turning very high rpm's at road speed, i checked the fluid which looked great and full, repaired the linkage bushings in the...	View
	1995 Mercedes-Benz SL320 3.2L 5th gear VIN: WDBFA63E0S Hi guys, got this 95 sl320 that wont go into 5th gear. The transmission has been serviced with the correct fluid and filter kit but made no difference. All the other gears work ok. Im unable to retrieve codes at the trans computer since this car is too old.Is ...	View
	2003 Mercedes-Benz C230 Kompressor 1.8L Noise VIN: WDBRN40J53 Noticed a clatter/rattling noise which sounds like it may be coming from the turbocharger. MB dealer says they don't sell many of these. The noise seems to be fainter when cold. Customer didn't complain of this but I noticed this when servicing vehicle. Anyone...	View
	2002 Mercury Sable LS 3.0L oil pressure light comes on VIN: 1MEFM55S92 Hey guys hopefuly i can get some help from all you ford techs. 2002 merc sable 3.0 dohc oil pressure light comes on when hot after driving for 30 min or so light only comes on at an idle. hooked up wet gauge and found oil pressure to be between 12.5-15 psi @ i...	View
	1995 Nissan Pathfinder LE 3.0L No Start, Hesitation VIN: JN8HD17Y3S Hello folks, this Pathfinder has been an amazing headache. The complaint is an intermittent no-start and loss of power at times while driving on freeway. We eventually experienced the no-start, but have never had a problem on the road. It will pick random time...	View
	2006 Scion xB 1.5L MIL Lamp on VIN: JTLKT32456 This Scion came in with 5 evap codes, P043E, P043F, P0456, P2401 and P2402. Performed function test with scanner and everything passed, no problem found. Researched iATN and found that the evap canister assembly has been known to cause these codes so we replac... Trouble codes: P043E, P043F, P0456, P2401, P2402	View
	1993 Toyota MR2 Turbo 2.0L Hesitation, Stall, Misfire VIN: JT2SW22N9P Got vehicle with a start and immediate stall if throttle wasnt depressed. Costumer claimed they installed alot of new parts, see repair history. I smoked the intake manifold and found leaking injector seals. I replaced the seals and the leak went away. Proble...	View
	2002 Toyota Tacoma Pre Runner 2.4L Mechanical VIN: 5TEVL52N32 Hello iATN, Well I have this truck that has me all confused. My customer brought it in for a CEL. The code was a misfire Cylinder #1. It's weird because the engine is not shaking tremendously, nor its stalling at idle. I can see the misfire happen with the sc...	View
	2000 Volkswagen Jetta GLS 2.0L Misfire VIN: 3VWSA29M2Y Vehicle came back in on 2-17-2012 with customer comlpaint of MIL on and misfire. He had the codes pulled and stated they were P0300 and P0302. After scanning computer system with the Vag-Com found the codes stated by the customer. Test drove vehicle and it ran... Trouble codes: P0300 (Random/Multiple Cylinder Misfire Detected), P0302 (Cylinder 2 Misfire Detected)	View
	2003 Volkswagen Jetta TDI 1.9L No Start VIN: 3VWRP69M23 This car came in a no start.After checking everything I determined it needed an injector pump assembly.I marked everything and installed the new pump assy. exactly the same as the original.The original was broken internally.Timing belt and pump are installed ....	View
	1996 Volvo 850 GLT 2.4L Steering Fluid VIN: YV1LS5549T Noisey power steering, as if low on fluid. Fluid level is fine, but there is significant aeration, bubbles in the fluid when engine is running. I can't imagine the problem being anything other than a bad pump, but I want to know what you guys think. Is there s...	View
	2005 Volvo XC70 2.5L horn VIN: YV1SZ59225 Removed contact reel and horn still blows. We're told the relay is inside central electrical module (differant from diagram) After removing top torx screws from module it refuses to hinge down?	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1997 Audi A4 1.8L Back up lamps VIN: WAUBB88D8V HI there and thanks to everyone that replied for my plea for help. Mark from California went above and beyond to help me understand how this system wires up on this car and he was dead on. The transmission range switch supplies power to the backup lamps vi...	6
	2001 BMW 325i 2.5L MIL Lamp on VIN: WBAAV33461 we let the 325xi go due to customers request. but...interestingly 1. the code(P0128) is set by the sensor in the radiator reservoir. 2. the connector at the thermostat housing is for the heater(not a sensor) it heats the thermo at times 3. the grd to ... Trouble codes: P0128 (coolant thermo below reg temp).	19
	2001 BMW 325i 2.5L head VIN: WBAAV33441 After breaking the news to customer about complications with this engine. Well he left car here. He also had left a deposit. No word but we don't expect him to approve the repairs.	24
	2001 BMW X5 4.4i 4.4L Poor Idle Quality, Misfire VIN: WBAFB33591 Customer returned with vehicle. I first concentrated on the misfire codes. As it turns out there were two coils that misfired under load. After replacing them the car ran great. I did swap the cam sensors, as some suggested that was a potential problem, in c... Trouble codes: 21.	4
	2005 Buick Rainier CXL 4.2L Down shift VIN: 5GADT13S45 I'm closing this help request because the customer is returning the vehicle to the dealer for a possible repair should they get factory to cover some of the cost of repair. I have concluded that the problem does indeed lye within the transmission assembly. O...	9
	2003 Cadillac CTS 3.2L Misfire VIN: 1G6DM57N93 We finally plugged in a coil pack and it fixed the vehicle. One reason we had such a problem was the fuel trims were lean. We assumed that meant meant it was not a firing problem, for that we would have a rich trim. But we also found out the computer shuts do... Trouble codes: P0128, P0300, P0301, P0306.	21
	1997 Chevrolet C3500 Cheyenne 6.5L Trans WOT shifts VIN: 1GCHC39F5V Thanks for the replies! A simple test revealed the facts. I hooked up the scan tool and monitored RPM. Cranking a electronicly controlled injection pump with a drill brought the RPMs right up. Since my customer was reluctant to spend the money ($1150 plus inst...	12
	2001 Chevrolet Silverado 3500 6.6L Converter seal VIN: 1GCJK33161 Thanks for all the good advise, ended up putting in a new converter seal and took care of leak. Was a little iffy on just the seal but so far so good.	9
	2008 Chevrolet HHR LS 2.2L Power locks Shift interlock VIN: 3GNCA13D38 Its fixed! Thanks to everyone who took their time to respond. But it was greg who was closest. Had to get the launch updated to see trans data. Switch "b" in the shifter position switch was cycling hi lo while this was happening. When I went to put my meter on...	9
	2000 Ford Excursion Limited 7.3L Tcc VIN: 1FMSU43F7Y Thank you for all the quality assistance. This is the procedure I used to sort out the problem. Removed trans cooler return line and measured volume in 15 seconds - Good volume at a little more than a quart. Since the problem occurs when cold these measuremen...	6
	2000 Ford F-150 Lariat 5.4L Coolant color VIN: 1FTRX18L2Y Ended up not finding anything, flushed coolant and changed oil and advised customer to keep an eye on the color, been gone for a week and haven't heard anything.	14
	2002 Ford Ranger Edge 4.0L starter VIN: 1FTZR45E32 I appreciate all of the replies recieved and maybe this will help somebody in the future who searches the archives. I'm not a Ford guy and was looking for any common known issue that could have caused my symptoms. This starter had the solenoid attached so ther...	15
	2003 Ford Expedition XLT 5.4L module coding VIN: 1FMPU16L43 thanx for everyone's help. sent vehicle to Ford dealer who attempted to reprogram and then had to replace module and reprogam the new, then worked.	8
	2002 Honda Civic LX 1.7L Mechanical VIN: 1HGES16512 first off i would like to thank all 29 people who offerd help..the first problem was a code for the eld senser after reading the tsb i decided to repair per tsb and that fixed the code for the eld senser..the next code i had was a crank senser code after takin...	30
	2008 Honda Pilot EX 3.5L Immobilizer VIN: 5FNYF18588 Hi, Thanks to all who responded, and a special thanks to Jason and Darin. The iN is Honda's interactive network, the database for their dealers and techs. Programming the key was easy with the code number and the HDS. It takes you through it step by step. Than...	8
	2004 Infiniti QX56 5.6L No crank, abs light on, tcs light on, security VIN: 5N3AA08A74 I am going to call this one fixed. We sent this truck to the dealer to have the bcm replaced and programmed. The customer picked it up from them and we have not heard anything back.	6
	2005 Infiniti G35 X 3.5L Throttle VIN: JNKCV51F25 Turns out that the replacement TCM was incorrect for the vehicle. Tried to check the TCM calibration against current calibrations on the Infinity web site and the calibration did not show up. A second valve body was installed with the correct calibration and t...	6
	1993 Jeep Grand Cherokee Limited 4.0L battery VIN: 1J4GZ78S3P Thanks to all who replied.I finally fixed this thing.Apparently the rear domes stick on intermittently.I have looked at them at least 3x but the fourth time I caught them in the act.I was able to pull the overhead console down and repair the switches.	6
	1997 Lincoln Continental Spinmaker Edition 4.6L Mechanical the belt noise seams to of queited down but the noises is still there sometimes. i still dont know what is making the noise but thanks for all the suggestions.	22
	1997 Mercedes-Benz E420 4.2L Poor Idle Quality VIN: WDBJF72F0V the fix was another used throttle body, still appeared to have some type of vaccum leak under intake, but after several road test had no engine light return, thanks for all the help Trouble codes: P0507.	7
	2003 Mercedes-Benz SL500 5.0L abc VIN: WDBSK75F63 thanks for all the personal time and energy that everone gave on this post. The problem turned out to be the tandum pump. Although it was not the easiest job ever completed, but it did turn out to be pretty straight forward once we caught it leaking while in...	9
	2004 Mercedes-Benz S430 4.3L Intake Manifold/engine VIN: WDBNG70J04 Car has been repaired. We ended up replacing the cylinder head. Head was cracked allowing oil pressure loss	4
	2005 Mercedes-Benz CLK320 3.2L steering column VIN: WDBTK65G35 Well you guys are great it was the cuppling broke right in half.It was a little time consuming but not to bad.Thanks for all 6 replies.	6
	2006 Mitsubishi Lancer Evolution MR 2.0L 1st gear VIN: JA3AH86C86 Hi there everyone. I need to close this one down but do not have a fix because the guy did not have the cash to do a clutch job or a bearing/gear job on this one. These are pretty harsh cost wise to get the trannies out of. From the info that we got, we are...	6
	1990 Nissan 300ZX 3.0L hot engine bay VIN: 1RZ24A0LX0 thanks to all that helped, the fix was shorten the clutch master cyl rod to clutch pedal so hot fluid in line behind engine can expand and return into the master resivor, if rod is to long fluid is traped in the slave cyl and line to master cyl. and releases ...	7
	2001 Nissan Pathfinder SE 3.5L low power Nobody had the right answer on this one, and searching the iATN Knowledge Base with symptoms (there was no code) didn't locate anything, and Identifix was no help either. But some Web research came up with the right answer - what Nissan calls the "swirl valve...	12
	2006 Nissan Pathfinder SE Off-Road 4.0L Engine VIN: 5N1AR18W76 Thanks to all for the replies to my help request. Unfortunately, I have released this car back to the customer unrepaired. I followed all leads and lines of logic, but I just couldn't solve this problem. I purchased an EVA vibration analyzer and set it up...	8
	1997 Pontiac Firebird Formula 5.7L sparkplug threads VIN: 2G2FV22P5V Alot of suggestions for thtread repairs. unfortunately this cylinder head is built with the exhaust valve next to the threads for the plug. The edge of the factory threads are even with the exhaust valve when closed. A larged thread would contact the valve....	9
	2004 Pontiac Grand Am SE1 3.4L starter VIN: 1G2NF52E64 Ok this vehicle i diagnosed with a bad ecm sent to dealer had pcm programed Dealer called said it would then crank but not start most times. They then removed crank pulley and found wires for crank sensor rubbed through. Replaced sensor now car starts and run...	9
	2008 Porsche Cayenne Turbo 4.8L Starting of Vehicle VIN: WP1AC29P68 Even thought the batteries showed 3 volts in the remotes we replaced them with Known new Batteries, which showed 3.3 volts, since then we have not had the issue. Got right back to doing the basics sometimes, lets hope this stays the fix.	6
	1997 Saturn SW1 1.9L Mechanical thanks to everyone the mainshaft nut was tight i have a rebuilt valve body ordered from sonnax $200 bucks thanks terry	14
	1988 Toyota Camry 2.0L No Start VIN: JT2SV24E8J Well I took all the info, did some research and found out that Mitchell and All-Data are giving some bad info about the injector resistance. They state it should be 1.6 ohms which is wrong for this 88. There should be a resistor on the firewall for which this ...	21

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