Automotive Technicians Technical Discussion and Fixes for Dec 7, 2012

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	Help Request	Answers
	1992 Buick Park Avenue Ultra 3.8L no spark, no pulse VIN: 1G4CU5313N Ok im stumped, please help. 1992 Buick Park avenue Ultra. I cannot get this thing to start for the life of me. My scanner is down along with my software... GREAT!. I have checked the ignition wires at the lock cylinder and ohm values read the same as key, alth...	View
	2004 Cadillac Seville SLS 4.6L Misfire VIN: 1G6KS54Y44 At idle has an intermediate misfire on multiple cylinders. Stores the listed codes. Seems to run fine otherwise. Trouble codes: 171 (Lean bank 1), 174 (Lean bank 2), 300 (Misfire), 150 (o2 sensor fault b2s1)	View
	2008 Chevrolet Trailblazer LT 4.2L tcm VIN: 1GNDT13S28 Hi guys and girls I am looking for some insight on this one it is a vary interment problem what will happen is the truck will shift hard like throw you shift hard I have not had it act up for me yet but did for another Tec . I have 2 codes set in the tcm U0073...	View
	2011 Chevrolet Suburban 1500 LT 5.3L Poor Idle Quality VIN: 1GNSKJE35B The vehicle was purchased new 11/2011. Ran fine till 7/2012 when it developed rough idle both cold and hot, but worse hot. Dealer said to try higher octance fuel. Did not help. Second dealer visit, told not to use E85 even though it is a Flexfuel vehicle. Used...	View
	2005 Chrysler PT Cruiser Touring 2.4L p0128 VIN: 3C8FY58885 Car came in with MIL on - P0128 Coolant Thermostat rationality. Changed Thermostat and performed coolant flush. Used dealer thermostat (paid attention to installation tab and put in facing the right direction) and dealer coolant. Checked ECT operation and foun...	View
	2003 Dodge Sprinter 2500 2.7L Stall VIN: WD2YD74243 Wonderful Sprinter issues. Customer drove it in with random stall and restart. Replaced fuel filter because it was time, and did an injector leak test using the hose technique. All tested quite well, with the worst having maybe a 1/4" of fuel. After the test, ... Trouble codes: P1187	View
	1996 Ford E-250 Econoline XL 4.9L serpentine belt need to pick some brains here guys... i have a 96 e250 that orig came in with belt tracked off and one rib slapping around making all kinds of noise. inspected drive and accessory pulleys, replaced tensioner and belt (matched belt with one it came in with). im...	View
	1997 Ford Escort LX 2.0L no start VIN: 1FALP15P1V customer sead car was runihg bad and then it would not start the next morning befor she could get it to me.pulled plug and they had big gap.looked like they were burning good.comp. test is 90 psi to 100 psi.put in new plugs and they got wet with gas in a few c...	View
	2001 Ford Windstar SE 3.8L fuel gauge inaccurate after fillingand when low VIN: 2FMDA52491 this ford windstar was towd in yesterday, cust complaint veh. shut off while driving. veh. read 1/4 tank of fuel. ck out of inertia switch relay and fuse for fuel delievery system... sys ok. pulled tank to verify fuel pump working correctly, it was working pro...	View
	2002 Ford Thunderbird 3.9L No Start, Cuts out, Stall VIN: 1FAHP60A22 Towed in with no fuel pressure. Found 15 amp fuel pump fuse blown. Replaced fuse, started right up. Decided to do a current amp check, will ramp up to 22 amps then drop to about 6 amps...if you turn on and off a few times might get stuck at 20 amps...and pump ... Trouble codes: 0316 (misfire)	View
	2002 Hyundai Elantra GLS 2.0L MIL Lamp on VIN: KMHDN45D82 Hello and thanks for your help in advance. 2002 elantra 2.0 sets p0456 small leak code after 2 days of driving. Saw posts about possible fuel tank pressure sensor problem. Very little info on that sensor and what its parameters are suppose to be. Snap on solus... Trouble codes: P0456	View
	2004 Isuzu NPR 4.8L Misfire never worke on one of this, i bought a scanner to try getting codes but this thing dont work or i have the wrong scanner is a launch cr-hd. this thing runs fine in idle but when in drive starts shaking like if missfiring put back in park in evrything is normal...	View
	2006 Jeep Grand Cherokee Limited 4.7L Bus Circuit VIN: 1J4HR58N76 ok guys got a big one here, not quite sure if i posted this in the right section but either way here goes. customer had their 06 jeep grand cherokee towed to the shop for a no start. turned out to just be a dead battery but upon further inspection i found out ...	View
	2005 Land Rover Range Rover HSE 4.4L cylinder head gasket VIN: SALME11415 I have begun to do a tear down of the cylinder heads on this Range Rover. I am at the "point of no return" meaning tearing down the timing assembly to get the cylinder heads off. I need help with the procedure for removing and replacing the the timing componen...	View
	2001 Lexus ES300 3.0L code p1725 VIN: JT8BF28G01 Lexus dudes please help. I changed out rear main seal and now I keep getting code p1725[code description unavailable on my genesys. no abs data offered... veh speed data ok with speedo. i have checked;both front wheels sensors and the two wire sensor on top of...	View
	2000 Lincoln LS 3.9L Cuts out VIN: 1LNHM87A9Y Im very Lost right now need help vehicle came in with over heating seems another tech poured power steering fluid into resivior vehicle over heating. flushed system replaced thermostat again and blead system vehcle was no longer over heating for 4 days. engine... Trouble codes: P1299	View
	2004 Lincoln Navigator 5.4L not powering system VIN: 5LMFU27R64 Towed in , battery dead and suspension flat. charge battery , test switch , relay , and pump . Check all power sources . Control module appears to be the problem. I know the module need to be flashed to for height adjustment . But will the system run with a ne...	View
	2002 Mazda Miata 1.8L Front Engine VIN: JM1NB35312 This Miata is a victim of a cracked oil pan around the drain plug after a WalMart oil change.After an oil change,the car left the shop for a week.The customer now states that it is using a quart of oil a day,so here it is.Oil is coming down the front of the oi...	View
	2008 Mazda MX-5 Miata SV 2.0L Heater VIN: JM1NC25F58 Heater seems to be on when temp control in cold, readings are 85 degrees coming out of vents, temp door rotating about 270 degrees from hot to cold, all mode + refresh doors working, temp sensor at evaporator within specs, possible door restriction at air temp...	View
	1999 Mercedes-Benz ML430 4.3L Emergency Running VIN: AJGAB72E2X I'm looking for advice on what to do first, being as parts have already been installed with no effective fix. I'm retired, but these are good friends and they feel cheated on the repairs they got before. They didn't come to me first because they thought I was...	View
	2012 Other European ml350 (w166) 3.5L rear control unit,rear sam VIN: 4JGDA5HB7C this is a specific question for benz guyz,or any of you techs that might find a solution for me. my friend has a 2012 ml350,stood at home for 3 weeks because of a vacation. when he got back he boosted the battery with a starter charger. the car started up fine...	View
	1994 Plymouth Grand Voyager SE 3.3L No Start VIN: 1P4GH44R0R thank you to start with,the van was towed in no start,it had no spark,no injector pulse replaced crank sensor and cam sensor,next day started right up.ran about 5 minutes and cuts off ,no spark no injector pulse.checked grounds, wire connectors,did cam and cra...	View
	2003 Saab 9-3 Linear 2.0L Unknown VIN: YS3FB49S43 This Saab came in on the hook. It would not move. It just had a tranny put in at a different shop. I scanned the codes it had a TCC solenoid code. The fluid level was good. I beleived whether the vehicle had a TCC code or not, the car should move. We got anoth...	View
	1998 Saturn SL1 1.9L No Start, Poor Idle Quality, Cuts out, MIL Lamp on VIN: 1G8ZH5289W Hello fello techs out there! Need help on a lovely saturn just cant seem to fix. Came in the first time for a headgasket. We replaced the do to common crack inside of the casting. Engine ran well tell it fully warms up. Engine idle will surge only warm. We had... Trouble codes: P0201 (through P0204 Cyl. 1-4 injector circuit problem), P0141 (O2 heater circuit bank 1), P0600 (Serial communication link problem), P1215 (Ground Fault Detect/Quad Driver Output), P0606 (PCM internal processor fault), P1625 (PCM System Reset Or TCM Flash Fault)	View
	2000 Saturn SL1 1.9L MIL Lamp on VIN: 1G8ZH5281Y Vehicle referred to my shop after previous shop in an attempt to fix a P0172(System Rich)code replaced front oxygen sensor,rear catalytic convertor,(4) fuel injectors and reprogrammed PCM. P0172 still stored. I received vehicle with (2)codes: P0442(evap.small... Trouble codes: P0172	View
	2000 Subaru Impreza Outback 2.2L MIL Lamp on VIN: 1F1GF485XV hello all 2000 outback p1133 retrived during scan test cked oper of sensor has 12v on red wire and when backprobing sensor when car is running processor is sending ground signel when checking o2 sensor shows 1.5 ohms across sensor connector on sensor replaced ... Trouble codes: P1133	View
	2008 Subaru Outback 2.5i L.L. Bean Edition 2.5L Excessive Emissions VIN: 4S4BP62C38 Failed for nox 6.1 limit 1.5 co and hc well within limits, vehicle does have egr, any common problems biased o2 or ?, im checking egr now, i will update	View
	1999 Volkswagen Passat GLS 1.8L Engine Won'T Idle VIN: WVWNA63B3X goodday fellow tech's. this veh. was towed in coustomer thought that the charging system was bad but not the case . no start problem charged batt. truns over but no start ran codes and found p1545 my scan tool tels me door tampering system fault but my code bo...	View
	2006 Volkswagen Golf GLS TDI 1.9L Selector module VIN: WVWZZZ1KZ6 Hi there every one Looking for some guidance on this golf. We replaced a battery, done hard reset, selector will not get out of park. Scan result below. Can not communicate with gear selector module. Check all fuses in engine bay fuse box and interio...	View
	1996 Volvo 960 2.9L Poor Idle Quality VIN: YV1KS9603T Ok volvo guys this car came in with a 4000 rpm idle on cold start after a few minutes of run time it idles and runs normal. We did a basic vaccum leak look over no problems found. Next scan for troble codes no codes present but we are having to go through gene...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2002 BMW 325i 2.5L No Start VIN: WBAEV33442 Sorry for the delay, but I'm happy to say this car is fixed. It did in fact turn out to be bad gas. I took a sample of this gas out of the tank and put it in a clear bottle. After about ten minutes, weird looking bubbles started forming at the bottom of the... Trouble codes: P0455.	30
	2002 BMW X5 3.0i 3.0L Poor Idle Quality, Cuts out, Misfire VIN: WBAFA51082 First of all thanks to everybody that replied. This vehicle is fixed.The techs that suggested to go after the cvcv (or cyclone valve)like Dan from penn.were right. Replaced it and also found a rip on the hose going to the valve as well, that for some reason di...	12
	2003 Cadillac DeVille DHS 4.6L Heater controls VIN: 1G6KD54Y63 thanks to Steven [...], who sent the information I needed to complete the job, not too bad once you find out how things work.	4
	2001 Dodge Intrepid SE 2.7L Relays VIN: 2B3HD46R41 All power to the pcm were good, as well as grounds. The car has the black covered key, so no anti-theft. All signs pointed to the pcm being fried. Knowing a new pcm needs to be programed with the vin and mileage, we took a chance and ordered a used pcm. We...	8
	2005 Dodge Caravan SE 2.4L Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on Alright guys,you all were right! I pulled the tranny and found a broken flex plate.That fixed the problem. Next time I will go ahead & bite the bullet & replace the flex plate. Thanks to you all! Bill Trouble codes: P0016 (Crank/cam misalingnment).	5
	2000 Ford Ranger XL 2.5L engine VIN: 1FTYR14C7Y We have an air blend door repair kit. Plan to do heater core too. This should complete the fix! Thanks Much	17
	2005 Ford Crown Victoria 4.6L MIL Lamp on VIN: 2FAFP71W95 I talk to my road seargant and the car is running fine what I did was when the IDS was running the evap test trying get to target vacuum I physically ground the solenoid, almost killed the engine, then i hit a few more times quickly and it passed the evap test... Trouble codes: P0443 (Canister Purve Valve Circuit).	10
	2006 Ford F-150 XLT 5.4L Hesitation VIN: 1FTPW14526 THANKS EVERYBODY FOR YOUR RESPONSES WE REPLACED ALL AUTOLITE PLUGS WITH MOTORCRAFT PLUGS AND PROBLEMS SEEM TO BE RESOLVED THANKS FOR ALL YOUR HELP! Trouble codes: P0300 (Random misfire).	10
	2008 Ford Explorer XLT 4.0L Fuel VIN: 1FMEU73E98 Thanks for the replies. I did straighten the wire to the APP sensor, thinking the guy was tugging on it w/ his foot and making bad connection. PS the driver wears size 14 shoes. It's been 2 wks and no problem yet.	4
	2008 Ford F-250 Super Duty XLT 6.4L Cyl head cracked? VIN: 1FTSW21R88 Thanks for all the replys,rather than trying to do all of the repairs my customer wants to install a new reman engine complete.Any ideas where to find a reman 6.4 or a good used one in the So Cal area? Thanks for all the help---	10
	2005 Honda Accord SE 2.4L MIL Lamp on VIN: 1HGCM715X5 Sent to the dealer in the u.s. (customer is citizen just working in canada) and they have given indication that it is the ecm but customer has not performed the repair. Trouble codes: 498 (Evap canister vent valve voltage low).	5
	2005 Jeep Grand Cherokee Laredo 3.7L rear differential VIN: 1J8GS48K25 This Jeep is fixed, thanks to all of you who responded to my help request. The cure was a disassembly of the carrier and repairing the threads for the carrier bearing adjusters, as well as getting a hold of the special tool needed to properly turn the adjuster...	11
	2005 Kia Rio 1.6L Electronic VIN: KNADC12535 I checked the signal wire for the speed sensor to the TCM. It actually comes from the speedometer. It wasn't working. I scoped the input signal to the speedometer. It had the same wave form as the output was supposed to have so I jumpered the 2 wires. Customer...	3
	2005 Lincoln LS Luxury 3.0L electric throttle VIN: 1LNHM86S15 the customer did not like any of my anwser and got mad took car home	8
	2001 Mercedes-Benz C320 3.2L Front and tail lights VIN: WDBRF64J11 I check can bus system, I replaced front SAM with no help, I think it is the igntion switch, but MB dealer can not sell me the unit,and I do not want to take a chance, so I told the customer take it to MB dealer .	3
	2001 Mercury Grand Marquis LS 4.6L Heater core VIN: 2MEFM75W71 Well...now we wait. Had customer back in today and installed a restrictor in the inlet hose to the heater core. Most suggestions were possibilities leading to electrolisys, as was my first thought.I also drained the cooling system and added a cup of baking sod...	27
	1992 Pontiac Grand Prix SE 3.1L No Start VIN: 1G2WJ14TXN First of all I want to thank everyone , I printed out all the suggestions and went through all armed and ready, went one at a time until I could prove this wasn't the problem.then I came to Timothy [...] reply, I knew I had a good crank sensor , so I went...	33
	2009 Saab 9-3 2.0T 2.0L Poor Idle Quality VIN: YS3FB52Y89 As most who wrote said a sticking valve was right. Exhaust valve in #4 cylinder. Sent the head to the machine shop. Problem gone. Thanks to you all for your help Trouble codes: P0304.	19
	1998 Subaru Legacy L 2.2L No Start VIN: 4S3BD4351W Its alive!!! Thanks to all the replyed, you got us thinking. Turned out to be fuel pump. With gauge hooked up, turn key on, hear the usual 2 second run, pressure reads 40 right where it should be. But, we discovered that if you hit the starter, pressure drop...	7
	2006 Subaru Impreza WRX 2.5L No Start VIN: JF1GG79616 Thanks to all replies! Got this wrx fixed! Found after removing and cleaning grounds top of intake manifold got communication with the scan tool.Vehicle tried to start, still no start. Pulled out spark plugs, fuel soaked, clened reinstalled. Vehicle stared up ... Trouble codes: P0607 (Control Module Performance).	3
	2003 Toyota MR2 Spyder 1.8L no start \crank VIN: JTDFR32023 sorry at this time the customer has taken the car to the dealer when the customer lets me know what the fix was i will repost.	3

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