Automotive Technicians Technical Discussion and Fixes for Apr 30, 2014

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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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	Help Request	Answers
	2004 Acura MDX Touring 3.5L reverse VIN: 2HNYD18984 This vehicle blocks in reverse after 15 feet as if two speeds gets involved return to the neutral return in let us move back and still move back 15 feet and stops on neutral everything is correct it move back no probleme When I deplogue a selenoild of the tran...	View
	2001 BMW 325i 2.5L door locks VIN: WBAAN37461 I have this 01 BMW 325i that I can't get into the vehicle due to the doors being locked. The key nor the key fob will unlock the driver's door. Tried leaving the battery disconnected for a while, then reconnected it, but doors still won't unlock. Used jumper b...	View
	2002 Chevrolet Venture LS 3.4L blower motor shuts off VIN: 1GNDX03E82 I have this venture van that the blower motor shuts off on high speed number 5 after a min or two but if you turn it to number 4 or lower it works I tired a blower resistor it loses power to fan motor when in number 5 speed which is high speed I even tired a t...	View
	2006 Chevrolet Express 3500 LT 6.0L fuel guage VIN: 1GAHG39U96 Fuel guage reads empty and fuel light is on. Replaced the fuel pump assembly. Had assembly out and plugged up. Moved lever and it worked. Put it back in car and it does not work.	View
	1999 Dodge Caravan Sport 3.3L Heater Control Module VIN: 2B4GP45G3X Originally the problem with this vehicle was that the rear wiper did not work. I narrowed that down to the switch, which is part of the temperature control module. Due to the high cost of a new module and the high mileage of the van, the customer elected to go...	View
	2001 Dodge Stratus SE 2.4L Cuts out, Misfire, MIL Lamp on VIN: 1B3EJ46X11 This car has a P1391 code with an engine that runs rough like it has a misfire and the SES light is on. Someone else has replaced the coil, plugs, wires, cam and crank sensors and they did not fix the problem. I reset the cmp cpk sync with my scan tool but th... Trouble codes: P1391 (Loss of cmp cpk signal)	View
	2002 Dodge Caravan SE 3.3L No Start VIN: 1B4GP25392 Van came in with a no start with a lean code. Has good fuel pressure,spark and fuel tests good. (see testing results) sounds as if it is flooded so i pulled a plug and plugs were soaked with gas so i replaced them with a fresh set of champians and now if will ... Trouble codes: P0171 (System too lean b1)	View
	2004 Dodge Grand Caravan SE 3.3L 2-4 shift solonoid VIN: 1D4GP24RX4 As soon as the vehicle shifts to 2nd, mil will illuminate and go into limp mode. Will not quick learn new solenoid. Solenoid and wiring are good. There is no power coming out of the pcm to the 2-4 shift solenoid and the eatx safety shut down relay stays on for...	View
	1999 Ford Escort ZX2 Hot Coupe 2.0L Surge VIN: 3FAKP1131X Car runs and idles fine, good flare up at start, idles around 700 rpm. The problem is when the AC comes on the idle kicks up to about 1000. When we started it was about 1300. The problem is when this happens at a stop sign. It is much better after cleaning, ne...	View
	2004 Ford Freestar SEL 4.2L Battery VIN: 2FMZA52234 Vehicle was jump started and brought into us. Battery and charging system test ok. Vehicle has a parasitic draw which is eliminated when I disconnect circuit 1524 from the Bussed Electrical center. This circuit is a feed to the Smart Junction Box under the hoo...	View
	2006 Ford F-250 Super Duty XLT 5.4L Steering VIN: 1FTSW21506 Hello iATN. So I'm at the other side of the coin now. I have this truck. Complaint is it shakes at around 55mph intermittently. I was able to duplicate it and it scared the shoe out of me. I had heard of it but hadn't experienced it. Well, the suspension parts...	View
	1999 GMC Yukon SLT 5.7L MIL Lamp on VIN: 1GKEK13R8X Vehicle came in for coolant leak, Found intake gasket leaking at corners as they do. At this time the only codes were o2 sensor low voltage codes. Also found the fuel spider was leaking in intake as well. We replaced the spider and the lower intake gaskets and... Trouble codes: P1345 (Cam and crank correlation)	View
	2006 GMC Yukon XL 1500 SLE 5.3L Steering angle VIN: 1GKFK16Z06 Hi I have this Yukon that has 2 codes in it C0472 and c0473. High and low voltage. The service stability message comes on. I looked at the voltage on the scanner and it changes when I turn the wheel. Not real familiar with this system. Any help would be greatl...	View
	2004 Hummer H2 6.0L MIL Lamp on, Limp mode VIN: 5GRGN23404 This one has me stumped. Vehicle comes in while in limp mode. Found codes p0120 and p2135. Cleared codes and it ran fine. Vehicle has been back 4 times with the same issue and everytime i find myself just throwing parts at it (see related repair history). All ... Trouble codes: P0120 (Throttle position sensor circuit malfunction), P2135 (Throttle position voltage correlation)	View
	2004 Hyundai Santa Fe GLS 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: KM8SC73E54 This vehicle has been here too long and I'm ashamed to even tell you all how long it has been. Another employee tore this vehicle down and then I fired him. So I had to figure what he had done and why, along with what it really needed. Anyway I have rechecked ... Trouble codes: P0300 (Random Misfire), P0302 (Cylinder 2 Misfire), P0304 (Cylinder 4 Misfire), P0306 (Cylinder 6 Misfire)	View
	2004 Hyundai Santa Fe GLS 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: KM8SC73E54 This vehicle has been here too long and I'm ashamed to even tell you all how long it has been. Another employee tore this vehicle down and then I fired him. So I had to figure what he had done and why, along with what it really needed. Anyway I have rechecked ... Trouble codes: P0300 (Random Misfire), P0302 (Cylinder 2 Misfire), P0304 (Cylinder 4 Misfire), P0306 (Cylinder 6 Misfire)	View
	2000 Jaguar XJ8 4.0L Coolant loss VIN: SAJDA14CXY This Jag is in remarkable shape, inside and out. Customer recently purchased, started to have "low coolant" warnings every time car was driven, and the coolant was always low in the recovery bottle. Brought the car to our shop, we did the usual testing, CO2, p...	View
	1991 Mercedes-Benz 420SEL 4.2L ignition ? VIN: WDBCA35E9M hey guys, this is my wifes car, have had it for 3.5 years, been a good car, on occasion it will just stall out, it will always start right back up, very random issue, will do it 4 or 5 times sometimes, sometimes only once or twice, always starts right back up,...	View
	2005 Mercedes-Benz S55 AMG 5.5L Rear cabin heat VIN: WDBNG74J05 Hi techs, having issue with air conditioning on this car. Front vents all blow cold, full charge. Rear AC blows cold at max low but as soon as you adjust temp even 1 degree, heat begins to come out of rear vent. Have replaced heater valve in past on E class mo...	View
	1995 Mitsubishi Eclipse GST 2.0L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 4A3AK54F1S This vehicle is currently driving me completely insane. It is quite an ugly piece to start with but something is completely eluding me. Compression 150-160. Timing belt right on the money. Cam and crank right where they need to be to coincide with timing. Inje...	View
	1999 Porsche 911 Carrera 3.4L engine oil VIN: WP0AA2997X Hi Group; we have this Porsche burning oil on cylinder #2 only ! All other cylinders were inspected with a boroscope all but #2 look great. Found about 2-3 table spoons of oil in cylinder #2. Did a compression test and cyl's 1,3,4,5,6 have 165 PSI; #2 has 170 ...	View
	1999 Toyota 4Runner Limited 3.4L Misfire VIN: JT3HN87R1X Hello fellow members,I got this 99 4 runner from another shop and he said he already gave up and cant resolve the problem.This vehicle is misfiring on 3 cylinders which they are all on the right side cylinder head.Ive checked the valve timing,hook noid light o... Trouble codes: P0302, P0304 (misfire number 4 cylinder), P0306 (misfire number 6 cylinder)	View
	2002 Toyota Solara SLE 3.0L Left Side Air Bag Sensor VIN: 2T1FF28P82 Vehicle came in with air bag light illuminated . Scan air bag module and received code B1141 . Code would not clear . Tested all related wiring and found no faults . Replaced left side air bag sensor with new Toyota part . Condition still existed . Removed air...	View
	2005 Toyota Sienna XLE 3.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5TDZA22CX5 Customer complaint is rough running; pulled codes and test drive. On the test drive vehicle looses power under acceleration, b calculated load is at 87-90%; AFS are at 3.6 to 3.8 B1 and 3.6 to 3.9 B2 rear O2 sensors are at .00 to .05 volts. Fuel trims (at id... Trouble codes: P0157 (B2 Oxygen sensor low voltage), P0174 (B2 Lean), P0171 (B1 Lean), P0300 (Random misfire misfires are occurring on B2 only)	View
	2006 Toyota RAV4 Limited 3.5L Air mix control servo right side VIN: JTMBK31V06 Hi there Toyota techs. We got this 06 Rav4 limited ( production 02/06) customers complaint is the dual zone heating/ac operate properly on drivers side but does not respond on passenger side. read codes b1421-b1422-b1497. all fuses ok. reading for solar sensor...	View
	2007 Toyota Camry Hybrid 2.4L vsc /abs light on VIN: JTNBB46K97 car keeps setting dtc's c1345 @ c1368. with master tech tryed to set linear off set multiple times and fails everytime.	View
	2004 Volkswagen Beetle GLS 2.0L Lean off idle VIN: 3VWCK31C14 Hi there everyone and thanks for the help on this one. I have this 2004 VW Beetle 2.0 BEV motor that is throwing a code P2177 off idle. This problem has been going on for some time and has been to at least one other shop. I have found that the short term fuel ... Trouble codes: P2177 (Fuel mixture lean off idle)	View
	2004 Volkswagen Jetta GLS 2.0L Hesitation, MIL Lamp on, Low Power VIN: 3VWSK69M14 Clean Jetta, good customer with just over 214K miles. Suddenly has 2 codes and won't rev over 3200 and car starts up but dies unless you hit the throttle one time after startup. Low throttle acceleration is OK but give it any pedal and the car just falls on it... Trouble codes: P0102 (Mass Air Flow), P1145 (Mass Air Flow Sensor G70 Short to Plus), P1338 (CMP Sensor Bank 1 Open Circuit Or Short To Positive)	View
	2004 Volvo XC90 T6 2.9L Damper motors VIN: YV1CZ91H84 Hello Group, This XC90 came in with cold air always blowing out the vents and the temp or direction would never change. I scanned the car with a factory VIDA and didn't have any trouble codes in the CCM. When I push the buttons on the module,all the buttons w...	View
	2006 Volvo XC70 2.5L fuel tank leak VIN: YV4SZ57126 Volvo techs. Vehicle came in about a month ago on the hook found it had a bad fuel pump replace and all was well. Car came back again about a week later due to fuel smell and check engine light on (evap small leak) found that the drivers side of the tank was w...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1999 Cadillac Seville SLS 4.6L oil level VIN: 1G6KS54YXX After many checks we found no dipsticks available from GM (nationwide locator finds Zero), did find that the 98-99 Seville uses a longer (aprox 2 inches0 dipstick than any others. this one has a shorter stick in it. found 1 on ebay and ordered it. one of the g...	14
	2005 Chevrolet Silverado 2500 HD 6.0L injectors VIN: 1GCHK24U25 sorry guys this customer didn't want to spend any more time or money as he was selling the vehicle. the truck ran very good after the occasional 30sec rough start. thanx for your replies	18
	2008 Chevrolet Silverado 1500 WT 5.3L oil pressure VIN: 2GCEC13J48 after reading the responses I opted to remove the oil pump and inspect the oil pressure relief valve in the pump. what I found was the valve had signs that it had been sticking the side of the valve had uneven wear and rough spots on it indicating a sticking v...	20
	2003 Chrysler Town & Country EL 3.3L evap SYSTEM VIN: 2C4GP24R63 Thanks to all the replies -- Customer finally admitted fuel gauge has been acting up --refilled with 8 gallons and evap test passed. It always hard to repair when you don't ask specific questions about problem.	6
	2005 Chrysler Sebring 2.4L No Start VIN: 1C3EL46XX5 i have not fixed this vehicle as of yet. all of the advice given was helpful ind diagnosing this problem after many hours diagnosing it appears that we are going to need a new pcm. the customer doesnt currently have the funds for a new pcm so we are waiting...	21
	2007 Chrysler Town & Country 3.3L evap VIN: 1A4GJ45R57 My friend at the body shop unhooked the battery cables & put them together for a bit, gas cap light went out & has not come back on last I heard so thanks for the tip. You got to love this IATN!	9
	2000 Dodge Caravan 2.4L Tps VIN: 2B4FP25B8Y Well a TPS didnt solve the issue per se. The TPS will not sweep according to scanner. Yet it runs good- Im not overly satisfied with it- yet he is driving it.	11
	2002 Dodge Dakota Sport 4.7L No Start VIN: 1B7HG38NX2 Thank you very much to all who replied with suggestions. Every suggestion was acted upon and investigated. In this case, the suggestions of Jeffrey, Timothy and Pete turned out to hit the nail on the head: the PCM. We checked out the 5-volt reference circui...	10
	2003 Dodge Ram 1500 Laramie 5.7L No Start VIN: 1D3HU18D23 A computer reflash and a new EVAP Purge valve, the customer returned and said everything is fine now.	9
	2008 Dodge Magnum R/T 5.7L ABS System VIN: 2D4GV47278 Received several replies and I appreciate each one. The WSS all checked good. The Brake Switch checked good. The ABS Module was the problem. It was causing the ABS to activate due to internal circuit fault. Replaced the module and all checked good. Again thank...	6
	2004 Ford F-150 FX4 5.4L Variable cam timing VIN: 1FTPX14574 Well, It's official, this truck needs an engine. I was hoping someone had a magic formula to prevent me from having to work on this anymore, but no luck. Interesting, the oil pressure spec in every Ford service manual was 15psi hot idle, this is way too low, s...	18
	1998 Honda Civic EX 1.6L Hesitation VIN: 1HGEJ8145W We pulled the oil pan and dug about an inch of gunk out of it, and changed the oil as recomended. My main issue was that in the pan was some metal, could not tell where it came from, but we just told the customer it needs an engine. We were able to jumper th...	14
	2009 Kia Borrego EX 3.8L abs VIN: KNDJJ74119 I will call this fixed. Everyone agrees that I must have a 2wd HECU. The problem is that the salvage yard cataloguing is incorrect for the module portion. The hydraulic portion is correct but if you have ESC and it is 2WD it is imperative that the HECU come ...	3
	2007 Land Rover LR3 HSE 4.4L fuel gauge VIN: SALAG254X7 well the front fuel level sensor is in, and you were all right. I spent hours trying to figure out what the trick was. and sadly to say there is no logical way to get in there. my arms just wouldnt fit but one of the guys in the shop could get in and he came o...	3
	1995 Mercedes-Benz C220 2.2L Trunk Lock VIN: WDBHA22EXS Removed the first aid box kit from the rear tray and found that there are 3 square holes in body work. We were able to pop the oval trim covers from the 2 bolt holes for the trunk latch and with a long extension removed the torx bolts. Thanks Guys !!	5
	1996 Oldsmobile Cutlass Ciera 3.1L circuit 39 VIN: 1G3AJ55M2T Sorry guys no fix. Car hasnt acted up at all. Customer picked it up today. If we get a fix in the future ill let you know. Thanks to every one who spent their time trying to help. To summarize this vehicle does not have the sdm under the carpet like some do. I...	5
	2002 Oldsmobile Alero GL 3.4L Stall VIN: 1G3NL52E92 Hi To all read and answer, The fixed is reconnect serial data line, I believed the aftermarket immobolizer relay get weak, periodic open up the circuit. Once I reconnect back to original every thing back to normal. Thank you all again, you guys are the best. F... Trouble codes: P1626 (Anti Theft system).	9
	2005 Subaru Impreza Outback Sport 2.5L MIL Lamp on VIN: JF1GG68515 Ok so this vehicle is fixed.Story goes as follows-customer bought vehicle used with check engine light on-attempted to have it fixed a couple of times without success so he continued to just drive it.Almost a year later engine goes bad.Another shop installs us... Trouble codes: P0340.	6
	2001 Toyota Avalon XL 3.0L Steering angle sensor VIN: 4T1BF28B31 Replaced the steering sensor at the base of the column. It was a different design sensor, but interchanged just fine. Did the recalibration procedure which seemed to not work the first time, then did it again and it worked. Our [...] service info is fairl...	9
	2005 Toyota Camry LE 3.0L Closed Throttle Downshift VIN: 4T1BF30K85 Both replies were correct. Our Snap On Verus allowed a trans adaptive value reset. Although the instructions state to perform this only in case of trans or module replacement,it made no sense not to do it. Instant fix ! I've waited to close the post, just to b...	2
	2007 Toyota Tundra 4.7L Misfire, MIL Lamp on VIN: 5TFJT52137 Hello all and thanks to all who replied. This help request was put in by a co-worker of mine who had done all the work on this vehicle. He went back and re-checked his valves and found he had to reshim the "buckets". The valves on 2,4,8 were a little too tight... Trouble codes: P0300 (Multiple cylinder misfire), P0302 (Cylinder 2 misfire), P0304 (Cylinder 4 misfire), P0308 (Cylinder 8).	11
	2000 Volvo S80 T6 2.8L No Start VIN: YV1TS90D6Y THE CUSTOMER DID NOT WANT TO FIX AT THIS TIME . WE DID FIND THAT THE TBI WAS THE PROBLEM AND FOUND PROGRAMMED TBI ON LINE Trouble codes: 91B7, 91A7.	8

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