Automotive Technicians Technical Discussion and Fixes for Jul 15, 2006

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Open Help Requests for All Makes and Models

	Help Request	Answers
	1991 Acura Legend L 3.2L Excessive Emissions VIN: JH4KA7655M This car will not turn on the EGR solenoid,I can activate the solenoid at the pcm by grounding the white wire at A-11, but the pcm will not turn it on. And it will not set a code 12. I have checked the o2 sensors, they are switching,the voltage on the tw senso...	View
	2000 BMW 323i 2.5L radio VIN: WBAAM3343Y i need help from a bmw guy, this one is very staticy going under bridges mainly on am and ok on fm. im not sure if the problem is in the radio mor antenna, aspparently in the windshield, the volume control on the radio is inop and only works from the steering ...	View
	1996 Buick Century Custom 3.1L Cuts out, Stall VIN: 1G4AG55M9T I need some help with this one. I have recently changed jobs, so I don't have the resources of a shop anymore. This is my son's car. He complains of a dying out and sometimes hard to restart condition intermittently. It seems to happen more frequently in hot w...	View
	2000 Chevrolet Impala 3.4L Stall, MIL Lamp on VIN: 2G1WF52E6Y Hi fellow technicians, this is a taxi , we did some work on it 3 months ago we did a full tune ups (plugs, wires, air filter, fuel filter, fuel pump was noisy we put new one). check engine light was on for ckp sensor put new one from the dealer,a three days a... Trouble codes: P0336	View
	2000 Chevrolet Impala LS 3.8L transaxle VIN: 2G1WH55K3Y The vehicle has a "hum" sound like a turbo engine. The sound starts light at 10 mph. Then it increase louder at 50 mph. The low frequncey "hum" is so bad at 50 mph that slight vibration can felt through the steering wheel. Then the "hum" and vibration fades ou...	View
	2001 Chevrolet Venture LS 3.4L cooling fans VIN: 1GNDU03E71 hello,this car will not allow me to turn on the high speed cooling fans with the scantool,it will allow the low speed fans to be turned on,i am using a genisys tool.i have checked relays and fuses,studied wiring diagram,found if i ground the dark blue wire at ...	View
	2002 Chevrolet Blazer LS 4.3L heater core VIN: 1GNCS13W32 I have this 02 blazer that makes a water or gurgling type noise on accel after start up at times. noise comes from heater case area, does anybody know of any bulletins or updates. cooling system holds pressure and no signs of corrosion.	View
	1995 Chrysler Concorde 3.5L Unknown VIN: 2C3HD56F1S This vehicle broke down out of town a couple of years ago and the water pump was replaced. It has had random overheating since then, and now overheats after a short drive. I have determined that no coolant is flowing through the system. The top hose is 210 deg...	View
	2005 Chrysler Crossfire SRT-6 3.2L Poor Idle Quality, Surge, Stall VIN: 1C3AN79N85 Hello! I have this Supercharged Crossfire that runs VERY bad on first start up, acts like a bad MAP sensor on a NORMAL car. Loads up real bad, will not idle on it own, very low vacuum reading on a gauge. Anywhere from a minute to several minutes, the engine j...	View
	1995 Dodge Dakota 3.9L No Start VIN: 1B7GL23X1S my dad has this truck and he calls me and says it wont start but of course everytime i get there it starts and runs fine scanned the computer and of course there isnt any codes and the truck runs fine ok heres goes he turns the key on and the check engine ligh...	View
	2001 Ford F-350 Super Duty Lariat 7.3L No Start, Stall, Misfire VIN: 3FTSW31F61 Hi group I know it sounds silly I went through all my books, and called also the dealer, where supposedly the IDM modul should be it is not. And how I get rid of the code P1219 the best way? And how to clear this code. I have the red brick, and with the clear... Trouble codes: P1219	View
	1991 Geo Storm 2+2 1.6L Excessive Emissions, Surge, back fire VIN: J81RF2365M hi.everyone I HAVE PROBLEM WIHT THIS CAR,WHEN I DRIVE CAR AT LOCAL,ACCEL 25 TO 35 MPH HAS BACK FIRE ON INTAKE MANIFOLD,AND ALSO RUNNING RICH,CHECK IGNITION TIMMING 10 DEG(IN SPEC).AND CHECK ENGINE ALL (INTAKE ,EXHAUST) VALVE OK.CHECK ECU HAS GOOD BATTREY VOLTA...	View
	2003 Hummer H2 6.0L lack of power VIN: 5GRGN23U43 cust brought in h2 for lacks power wont accel and will hardly mak it up hills. we test drove and verified complaint. did basic scan and fuel press testthey seemed fine.while on test drive if you tryed to accelerate it felt like you were towing very big trailer...	View
	2000 Jeep Grand Cherokee Limited 4.7L Poor Idle Quality VIN: 1J4GW58N4Y 2000 jeep grand cherokee came in complaining of excessive high idle. during initial check no codes in computer. found iac counts were high replaced motor and cleaned throttle body. seem to idle fine. customer returned two weeks later complaining of high idle w...	View
	1993 Lexus LS400 4.0L Cut off when turns VIN: JT8UF11E3P Hi Group, This LS 400 is well maintenance with 200 K miles. The engine runs good with no engine light or any drive ability concern. The main complain is when making turns the engine sometimes just cut off without any warning sign. I thought the cam sensor wire...	View
	1989 Mazda MPV Cargo 3.0L 4th gear VIN: JM3LV5223K I have my daughters 89 MPV 2WD 3.0 litre here. A local trans shop rebuilt it last year (bench overhaul). We installed it and it worked fine for months, then lost 4th. The trans shop looked at it, and fixed it, telling us we didnt flush the cooler and the valve...	View
	1989 Mercedes-Benz 420SEL 4.2L No Start VIN: WDBCA35E2K i NEED HELP FROM EXPERIENCED MERCEDES MECHANICS. This lady's car died in front of my shop.No Spark. I dont have alot of Merz exp. The car will run fine when it cools down but after running the engine for 15 minutes and shutting it down it will not restart for ...	View
	1995 Mercedes-Benz E420 4.2L asr VIN: WDBEA34E0S Hello Techs, Customer complained about intermittent ASR light which would force car into limp mode. During our time with car, ASR light is on steady. We have found the following codes: Engine LH/No Fault, Dia Module/R6 ISC Faulty, EA,CC,ISC/No Communication, A...	View
	1996 Mercedes-Benz SL600 6.0L hard top and rollbar VIN: WDBFA76F2T taking hard top off and rollbar got stuck half way up all the lights and switches good motors good lights stay on all the time i found the tool to do it manually but i cant find where to use it	View
	1998 Mercedes-Benz ML320 3.2L MIL Lamp on VIN: 4JGAB54E5W check engine light on, no driveability issues,has code P0150 & code P0460 bank 2 O2 voltage starts out high & will not go into closed loop need help Dick [...] Trouble codes: P0150 (front left O2 sensor), P0460	View
	1994 Nissan Sentra SE 1.6L Hesitation, Misfire VIN: 1N4EB31F5A Thanks in advance, Car starts, runs cold fine. When operating temp is reached, under light acceleration and moderate cruise speed it misses a moderate amount. Here are the tests performed to date: O2 sensor, graphed and shows a nice wave pattern and crosscount...	View
	2000 Nissan Sentra GXE 1.8L Poor Idle Quality, Stall, Misfire VIN: 3N1CB51D5Y car came in with plug misfire and intake valve position sensor codes.replaced sensor cleared codes car still has misfire stalls out on idle has no power (HELP) thanks in advance. Trouble codes: P0300	View
	1998 Oldsmobile Aurora 4.0L No Start, irratic systems VIN: 1G3GR62CXW Tach jumps around all the time. Speedometer will start to jump and eventually will peg at 160mph while driving 40mph. when this happens, the a/c cuts out, the rest of the dash gauges go to their rest position, traction control light comes on, and a few other o... Trouble codes: P0603, P1602, P1603, P1604, P1605	View
	1987 Plymouth Sundance 2.2L Cuts out VIN: 1P3BS48D3H i usually don't work on anything past 1990. but good customer bought this for son. when damp out. engine seems to miss/surge. vehicle has new dist cap. spk plugs, spk plug wires. done at another shop. previous to purchase. no codes. insp map sensor for moistur...	View
	1995 Pontiac Grand Am GT 3.1L no rear brakes VIN: 1G2NW15M4S has codes 48 & 51 in system, not sure what they mean by nut spinning unless they mean inside abs unit itself. what can I do besides replace unit? Is it possoble to eliminate the abs and just put a four line master cylinder on instead? not proper I know but the...	View
	1996 Toyota Tacoma DLX 2.7L Mechanical VIN: 4TAWM725TZ Hi everyone! I have this 96 Tacoma I am working on that has a strange noise in the engine. The customer brought this truck in on a trailer because of a noise that developed rather rapidly and he did not want to damage the engine. The noise sounds like a loose ...	View
	1970 Volkswagen beetle 1600CC oil VIN: 1021033307 hi everyone i have not posted anything in a long time but this one has me pulling my hair out the vehicle is a 1970 yamaha motor cycle with a 1970 1600 cc volkswagon engine the engine is stock the problem is it uses oil on the passenger side only at the rate o...	View
	2002 Volkswagen Jetta GLS 2.0L Cooling Systems VIN: 3VWSK69M32 hello friends, having trouble here, car is towed in for overheating, coolant level full, cooling fans operate, road tested car 20 miles with a.c. on, engine temperature approx 220f. owner states guage 3/4 on guage and warning light on. was uanble to duplicate ...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2001 Audi A4 1.8L Poor Idle Quality, Hesitation, MIL Lamp on VIN: WAUDC68D51 we did find the turbo was leaking oil in to the induction hoses and fouling out the air mass meter and 2 of the spark plugs. we also found oil in the air induction intercooler. mitchell book time to replace the turbo was less than 3 hours suggesting removing t...	5
	2002 Cadillac Seville SLS 4.6L climate control VIN: 1G6KS54Y52 Hello, Thank you for the replies and i appologize for the time frame to close this. There was not a blend door problem but the a/c charge was low. This was new for me. The pressures looked good initialy but after the replies and reserch, I went back to the bas...	4
	2003 Chevrolet Silverado 2500 HD 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2GCEK19U03 This truck is now fixed and all the replies were great-lots of knowledge out there. The culprit was an mushroomed/bad/bent valve on number 4 cylinder. I should have picked it up with my ign scope or the vac gauge but it hardley moved and the ign pattern was co... Trouble codes: P0300.	25
	1993 Ford Escort LX 1.9L No Start VIN: 1FAPP11J8P I want to thank everyone for thier responses. It turned out to be the ecm. Dan's tip especially helped out. he said if the fuel pump ran for more than 2 sec with key on then the ecm is suspect. Which was the case. So before I changed the ecm I doubled checked ...	7
	1996 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality, FAST IDLE VIN: 1FMDU34X6T I want to thank everyone for all the help. Intermittent problems can be hazardous to your sanity. I dont know if this ford is fixed or not. I could not get the vehicle to act up for me this time. I was going by what it was doing back 2 months ago. The owner wa...	12
	1998 Ford Escort ZX2 Cool Coupe 2.0L No Start VIN: 3FALP1130W Thanks guys, all fixed up, cam sensor solved it. Thanks again.	5
	1999 Ford Windstar SEL 3.8L egr flow insufficien VIN: 2FMDA5343X iI sublet this repair out to a fellow repair shop down the street they did not attach both egr vacuumn lines on the back side of the plenumintake so it continued to set aegr code until problem was found. I think sometimes haste makes waste when we put everythi... Trouble codes: P0401.	33
	2000 Ford F-350 Super Duty Lariat 7.3L Poor Idle Quality, Surge, Misfire VIN: 1FTWW33F0Y Thanks for the input on this one. The majority said that it was most likely an injecter or injecter o-ring. There were others that reccomended checking for aireated or degraded engine oil, check cam sensor operation, fuel quality, injecter wirring harness, and... Trouble codes: P0741, P1249.	13
	2002 Honda CR-V EX 2.4L srs (airbag system) VIN: JHLRD77862 As you can see from the original post the car has been fixed. Hmmm. Just so happens that it is my wife's car.	5
	1998 Kia Credos 2.0L No Start VIN: KNAGC2223W We were barking up the wrong tree with the transponder. We believe the fault with this car was a poor contact in the connector to the ignition coil, it is still running after two weeks anyway. The pulse from the ECU was found to be present at the connector aft...	4
	2000 Lexus ES300 3.0L reverse VIN: JT8BF2861Y customer was impatient. road tested vehicle several times. insp wiring harness. he said he needed vehicle. clear codes. did advise customer possiable solenoid or torque convertor problem. thanks to all 4 that replied.	4
	2000 Lincoln LS 3.9L flexplate VIN: 1LNHM87AXY yes it is fixed I went by what mr r&r guy said and when we pulled the tranny back out I found that he did everything right except he left on of the dowl pins out causing misalignment I replaced missing dowl gues what no noise...thanks to all and a big no thank...	5
	1993 Mercedes-Benz 300E 3.2L headlights VIN: WDBEA32E9B bob [...] in new england steered me to the problem. eventhough my problem first appeared at the passenger headlight, the drivers socket had burned terminals, they wern't melted like others ive seen but they did show dark brown discoleration on all three wire ...	5
	2004 Nissan Maxima SL 3.5L ride control VIN: 1N4BA41E74 I haven't received much help but thank you to Kelly and Micheal. I do think that you two nailed it. My manager decided to send the vehicle to the dealer and I think the technician will do what you two have said: Replace both struts with the update ones. See ya...	2
	2003 Pontiac Aztek 3.4L drive train VIN: 3G7DB03E23 thanks to every ones replies. after initial service , (we changed suspect gear oil), customer has been back and said noise is gone, john when i get the vehicle back, im going to ck, that connector. she's coming back for new tires, yea return customer.	4
	1995 Porsche 968 3.0L Cuts out VIN: WP0AA2963S the reply from Greg [...] was the one that set us out in the right direction. He said the fuel injection harnesses can hafe through & cause problems. At this point we very carefully checked all harnesses to the engine. this one was difficult because it only...	5
	2000 Saturn SL 1.9L security VIN: 1S8FC6H8GY unfortunatly the customer took the vehicle tothe dealer at directly left for holidays. thanks for all the replys,you guys rock.	7
	1993 Toyota Pickup 2.4L Misfire, Poor Fuel Economy VIN: 4TARN81A7P None of the replies helped, most recommended fixes that contradicted the information I provided. After I failed to diagnose the problem, I started throwing parts at it, a technique that I hate to do, but it was an act of desperation. I changed the entire tune ...	20
	2004 Toyota Sienna XLE Limited 3.3L rear liftgate & sliding doors VIN: 5TDZA22CO4 Thanks for all the help. Needed factory scan tool for diagnosis so I sent him to the dealer. Will keep you informed if and when it returns.	4
	1999 Volkswagen Jetta GL 2.0L fan VIN: 3VMRC29M4X problem : water pump is broken replace water pump fan worken	6
	1998 Volvo S70 GLT 2.4L readiness code VIN: YV1LS5679W I admit, this won't be a satisfying fix. But I learned a lot. Several responses suggested either a dyno to complete a 'trip' or driving the car for a long time. The best help came from those who said that these cars are to be tested even though not all readine...	7

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