Automotive Technicians Technical Discussion and Fixes for May 18, 2005

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	Help Request	Answers
	1998 Acura SLX Premium 3.5L Hesitation, Stall, MIL Lamp on VIN: JAEDJ58X0W i have acura slx 3.5l . customer stated stall sometime and idle rough. check engine light on.i did not happen in shop whole day. rcheck many time.road tested.may have intermittant. i check and found code p0401 egr recerculation flow in sufficent. replaced egr ... Trouble codes: P0401 (egr flow insufficent)	View
	1997 Audi A4 2.8L thermostat VIN: WAUEA88D9V Hello all, Customer complaint of overheating- gauge would read full scale after several minutes of operation. Verified same, lower hose cool while upper hose hot. Replaced the thermostat, backfilled and bled the system at one of the heater hoses at the cowl. N...	View
	1995 BMW 525i 2.5L neutral safety VIN: WBAND6322S This vehicle starts in all gear selections. We have limited information from Mitchell and All-data and that information does not match what we have physically on the car. The dealer indicated that they have experienced this problem in the past and that the cu...	View
	1998 BMW 323i 2.5L compressor VIN: WBABJ7337W This car came in for A high duct temp. The compressor clutch is not coming on when commanded to do so. The condensor cooling fan comes on. Also there is no temperature change when changed to hot on temp control. Outside temp sensor is showing 71.6 degrees F wh...	View
	1999 BMW 528i 2.8L speedometer we have a 99 BMW 528i that the speedo is inop. The abs dash light is on. Through the OBD II conection we can read the vehicle speed on our scan tool. Should we just replace the speedo or is there another system controling the speed signal.	View
	1999 BMW 740iL 4.4L Poor Idle Quality, MIL Lamp on VIN: WBAGH8334X Hellow All! Customer came in stated the complant of, Just got back from a 500 mile trip and the engine at idle seem to be rough. Then the check engine light came on and now when you cold start lots of blue smoke comes from tail pipes. Check for codes with Mast... Trouble codes: P1159, P1161	View
	1999 BMW 740iL 4.4L Poor Idle Quality, MIL Lamp on VIN: WBAGH8334X Hellow All! Customer came in stated the complant of, Just got back from a 500 mile trip and the engine at idle seem to be rough. Then the check engine light came on and now when you cold start lots of blue smoke comes from tail pipes. Check for codes with Mast... Trouble codes: P1159, P1161	View
	1994 Buick LeSabre Custom 3.8L none VIN: 1G4HR5212R have been working on this for 3 weeks trying to figure it out.it will run(poorly) but will not charge.we took it to a chevy dealer to see if they could figure it out since they have newer euipment than we do.they said it was the instrument cluster.customer sai...	View
	2000 Buick Century Custom 3.1L fans VIN: 2G4WS52JXY his car will not turn on cooling fans with the AC on,so the result is no cold air.We tested the relays and they are fine,we did find that we had a wire going to relay #2 that is power,but by the diagrams it goes to the pcm and should be ground.The fans will co...	View
	2001 Buick Regal LS 3.8L starting VIN: 2GRWB55K81 hi, i had this 01 buick brought into shop for intermittant no start. when it acts up, all lights car will not crank, clicking in dash sounds like turn signals clicking, lights on instrument panel flash (abs, brake, service engine light) gear shifter will not c...	View
	1991 Cadillac Eldorado 4.9L System monitor VIN: 1G6EL13B2M Ok Caddy electrical Guy's, let me tell ya about this one, Intermittently displays "Check System" and you can not enter onboard diagnostics, then if I hook up a scan tool to the ALDL; you can then enter onboard diagnostic. many codes, IS THERE ONE THING THAT S...	View
	1994 Chevrolet Beretta Z26 3.1L Hesitation, Surge, Poor Fuel Economy, MIL Lamp on VIN: 1G1LW15M5R Hello all, we need some big time help with this one. We've had it for two months on and off with no avial. What happens is the vehicle jerks at cruising speed just like when the spark plug wires are bad, although less noticable then a dead misfire. When the Be... Trouble codes: 44 (Fuel system lean)	View
	2000 Chevrolet Impala 3.4L air bag VIN: 2G1WF55E8Y Hey fellow techs, I have a 2000 Impala with a SIR light on. The codes are B0041 and B1001. Both tests require the use of a special J tool, which I dont have. I have reasonably diagnosed a bad Module but would like some feedback to other possibles or probables....	View
	2001 Chevrolet Silverado 1500 5.3L reciprocating parts VIN: 2GCEK19T71 Thanks in advance- This truck is well maintained, regular oil changes. It make a noise that is similar to but not quite the same as, a rod knock. Like a rod knock the noise is worse at higher rpm w/ low engine load. But it doesn't quite sound like a rod knock...	View
	2001 Chevrolet Suburban 2500 8.1L temp, fuel and trans temp gauges VIN: 3GNGK26G31 Seems like this is in the ip but I've got some new stuff to me. There's 7v. occas. 8v. on the serial data circuit. Nice clean square wave form but... While the grounds are ok, some of the ref. low circuits at the pcm have 1/4v or even 2v. Both of the 2v lines...	View
	2002 Chevrolet Venture LS 3.4L no shift, ses light on VIN: 1GNDX03E82 Hello fellow techs. I have a vehicle here with an extreemly intermitant problem. The tcc fuse blows at around 140 miles aproximately. i have checked the harness connector for the TSB concerning simular problems. There appears to be no fault for extended period...	View
	2002 Chevrolet Silverado 1500 5.3L Stall VIN: 1GECK19T22 car came into shop car stalls at times but restarts every time it stalls out. also hes complaining when he gets into the truck to start the vech. he turns the key to start and truck wont start now when he trys it again after the second time it starts right up ...	View
	2003 Chevrolet Malibu 3.1L No Start VIN: 1G1ND52J23 car starts fine in morning car dose'nt start after sitting in sun for awhile has no codes or theft deterent problems fuel pressure good both crank signals good on lab scope when problem occurs I don't have injector pulse or spark any help would be appreciated ...	View
	1992 Chrysler LeBaron 2.5L rocker arms VIN: 3C3XA46K8N Just need some info. This 2.5 chrysler throws #1 cylinder intake rocker arms off. Did valve job at reputable machine shop Aug., 2003. Car ran fine until Nov 2004. Threw rocker arm off. We put back on. on 1-04-2005, threw rocker arm off again. we couldn't find ...	View
	1992 Dodge W350 5.9L No Start VIN: 1B6MM36C1N no start with truck on any upgrade,hot or cold.	View
	1995 Dodge Grand Caravan SE 3.3L Excessive Emissions, Stall VIN: 1B4GH44RZS Hello, We have a 95 caravan 3.3 that will not stay running after the customer pressure washed the engine compartment, was running great before this. The ECM is not storing any codes, the check engine light will flash while the engine is running, but not all ...	View
	2000 Dodge Caravan SE 3.3L readiness VIN: 1B4GP45G0Y When I use my snap-on scan tool I am able to check the OBDII readiness and codes just fine. But when I go to get the emissions test( the ODBII emissions test in Georgia) the stations machine is not comunicating with the ECM.	View
	1996 Ford Mustang 3.8L MIL Lamp on VIN: 1FALP4044T HI ALL, we have a 3.8 liter mustang with codes po172&po175 no running problem o2 are in line. WHEN CODES WERE SET THE FREEZE FRAME RPM 966 TEMP 185 37MPH 36.9% CLOSED LOOP LT B1 18% LT B2 14% ST B1 0.0% ST B2 +2.3 Trouble codes: P0172, P0175	View
	1998 Ford Windstar GL 3.8L Hesitation, Surge, Misfire VIN: 2FMDA5144W This one has me stumped, which usually means it is something simple that I am missing. Has a hesitation and miss just off idle, that goes away when the EGR is disconnected. Also surges when cruising at freeway speeds and sets a misfire on #4 cyl. I tried follo... Trouble codes: P0304 (Cyl 4 misfire)	View
	1999 Ford F-150 XL 4.2L Misfire, MIL Lamp on VIN: 2FTZX1728X Hi there, Real head scratcher here. This vehicle misfires under light load only when the EGR is activated. It is always #5 cylinder. I have switched #4 & #5 injectors, spark plugs, ignition wires, problem stays in #5 cyl. Compression test shows 175 psi in that...	View
	1999 Ford Mustang 3.8L all shifts, speedometer VIN: 1FAFP4043W This guy installed himself a used transmission; only had 1-2 shift (high); we repaired the underbody wiring where he pinched it, and replaced the broken OSS sensor. We now have 1-2 and 2-3 shifts (both high); we have a good, solid analog signal at the OSS, bot...	View
	2001 Ford E-250 Econoline 4.2L engine VIN: IFTHE2427I Engine makes a ticking sound when warmed up, at idle, in gear. The noise goes away when serp belt is removed. With a stethoscope, noise sounds loudest in oil pan and also in egr tube that goes to pass side exhaust manifold. this manifold was removed & checked ...	View
	2001 Ford Focus Street 2.0L ABS Light Triggered VIN: 1FAFP34301 We got the vehicle originally with a failed front wheel bearing on the right side. After replacement, on the road test, the ABS light came on. Subsequent scan test said "No Signal" Investigation into the matter through IATN and other sources revealed that the ...	View
	2002 Ford Focus ZX3 2.0L MIL Lamp on VIN: 3FAFP31342 We later convinced the customer to let us connect the scanner when we found this code. We visually inspected the wiring harnesses at the ecm and module and saw nothing obvious so replaced the module. No change. I would appreciate hearing about other fixes for ... Trouble codes: P1233	View
	1992 GMC K3500 Sierra SLE 6.5L overdrive VIN: 1GTHK34F4N no overdrive scanner readings of tps volts 1.76 ,tps angle% 35%, coolant temp reads -35 there all stuck there no movement what so ever.checked voltage at tps plug with volt meter reads like it should right ref, right output traced all the way to ecm same outpu...	View
	2001 GMC Yukon Denali 6.0L steering VIN: 1GKEK63U21 Vehicle setting at idle, turning the steering wheel left from a lock right position, the steering hangs up or gets hard and has to be powered through these hard spots. Am able to raise rpm up and problem goes away. My thoughts are a problem with the steering p...	View
	1998 Honda Accord LX 2.3L Allen plug in head VIN: 1HGCG5648W While removing timing covers to perform a maintenance timing belt/water pump/balance shaft belt operation I noticed a large amount of solidified coolant buildup, like coolant has been seeping out slowly over time and hardening once coming into contact with air...	View
	1971 Jaguar E Type 4.2L Poor Idle Quality, Stall Car came in not idling. Removed bowls and cleaned out crud. Found huge vac. leak at manifold, replaced intake gskt's. Found diaphrams missing from by-pass valves and a gskt was made to block of their use.. Also bi-metalic springs were gone from temp. compensat...	View
	2000 Jaguar S-Type 4.0L All Accesseries VIN: SAJDA01D1Y Hey There, We've Got This Headache Sitting In Our Lot. Vehicle Had A Battery Replaced And Drove Off Without Any Problems. It Came Back In About A Week Later With No Gauges, No Accessories, All Trouble Lights On in the Dash, No Power Window Operation, No Climat...	View
	1994 Jeep Grand Cherokee Limited 4.0L ring and pinion VIN: 1574200000 Need help with this one. Jeep was sold by a local "B" lot. Customer had it two weeks then it started. It came in with the front differential destroyed,ring and pinion, diff case and housing damage. So naturally we replace it with used.Same gear ratio front and...	View
	1999 Jeep Wrangler Sport 4.0L Cuts out, MIL Lamp on VIN: 1J4FY19S3X This jeep has a P0121 that comes on intermittently. It is accompanied by a couple heavy misses or bucks. The tps and map powers, grounds and signals are at specs, and the connections seem tight. The throttle cable and linkage are not binding. The map and my va... Trouble codes: P0121 (tps and map sensors do not agree)	View
	2000 Jeep Grand Cherokee Limited 4.0L Excessive Emissions, Poor Idle Quality, Surge, Misfire VIN: 1J4GW48SXC Hi, Having some problems diagnosing the cause of this Jeep to run very rich after a 15 to 20 minute hot soak. Oxygen sensors read 4v and fuel trim goes to minus 24. Will actually stop driving when stepping on accelerator. Feals like vehicle is running out of f...	View
	1999 Kia Sportage 2.0L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: KNDJA723XX Hello all; This one has been here a week now and I've found several problems but it's not getting much better yet. The vehicle had multiple codes,mostly misfire;I inspected and replaced damaged coils and plug wires expecting this to smooth out the hesitation a... Trouble codes: P1624, P0171, P0301, P0300	View
	1992 Lexus LS400 4.0L Stall VIN: JTBUF11E4N This Lexus came in for diagnostic for the lack of power and gradually dies out. It cranks right back and runs well for awhile and gradully slows down until it dies out again. The fuel pressure is 35psi when it is running normal and slowly drops down to about 1...	View
	1993 Mazda 626 ES 2.5L engine VIN: 1YVGE22B1P Hello Iatn Group I have a 2.5L V6, that is very noisy on cold startups. It sounds like a mechanical noise, but it goes away if u rev it up past 2500rpm, or when the engine reaches full operating temperature. It's definately not a lifter noise, it's more simil...	View
	1994 Mazda Protege 1.8L Cuts out VIN: JM1BG224XR Thank you for all the help in advance. This vehicle under acceleration at times will all of sudden bog down when this happens the fuel pressure drops to 10psi. I installed a new fuel pump, strainer, and filter. I have checked power and grounds to the pump both...	View
	1990 Mercedes-Benz 300TE 3.0L Hesitation, Stall VIN: WDBEA90D2L Noisy fuel pump with occasional stalling has brought this car in for my attention. I inpsected the fuel lines and all is good. Replaced the noisy pump and threw in a new filter for good measure. Stalling is gone but the fuel pump gets "noisy" after a few minui...	View
	2001 Mercedes-Benz C240 2.6L a/c VIN: 15WD159780 I have pulled a a/c code B15A8 with euro check scanner i do not have a disciption for this code if it is a real code most tsb's I have read show a B followed by 4 digits. any help would be nice. a/c compressor not coming on EC buttom remains illuminated under...	View
	2000 Mercury Villager Estate 3.3L Lifter noise VIN: 4M2XV14T2Y I'm posting this one for my neighbor. Vehicle came in with valve-train noise. Checked oil pressure - 60-70 psi @ idle. Replaced lifters in front bank - one old one would not pump up. Blew air through oil supply holes in cyl head. Noise went away - oil pressure...	View
	2005 Mini Cooper 1.6L MIL Lamp on VIN: WMWRC33495 This vehicle was brought to us a moment ago by one of our body shop business partners. The vehicle was in a major collision and repaired. Vehicle is now all back together and was going to be returned to the vehicle owner in the morning. On the body shop's "fin... Trouble codes: P0070 (undocumented)	View
	2000 Mitsubishi Mirage DE 1.5L chime VIN: JA3AY11A1Y the door ajar,key in ignition,headlamps on chime will not work,we have replaced the chime,the fuse box the chime mounts to,it has power and ground to the fuse box,i follow the wiring diagram from mitchell and i can't seem to get any where,any help out there,th...	View
	1990 Nissan Maxima GXE 3.0L Excessive Emissions, Poor Idle Quality, Cuts out, Stall VIN: JN1HJ01P2L This car came in mainly for brake and fuel lines, and the customer said that it also ran bad sometimes. I noted the problem at this time but did not think the tune-up or any other repairs would fix this problem. It was still acting the same way after all the w...	View
	2000 Nissan Maxima GLE 3.0L Poor Idle Quality, Surge, poor power VIN: JN1CA31D9Y This Maxima will surge when started cold about 500 RPM's. As it warms the surge will minimize, but when driving and coming to a stop the idle will be rough and unstable. If you try to accellerate while the idle is like this there is a noticeable lack of power....	View
	1996 Oldsmobile 98 Regency Elite 3.8L information center VIN: 1G3CX52K4T The tail lamp out message in the info center will not go out. All the bulbs are operative and have been replaced just in case of wattage problems. Anybody out there have a clue to this malady? There are of course no TSB on this particular problem. Thanx for al...	View
	1987 Pontiac Bonneville LE 3.8L Poor Idle Quality, Cuts out, Stall VIN: 1G2HZ5130H Vehicle has been thru 3 shops that cannot find the cause. It cuts out and or stalls just like turning the key off and on. Usually under load, but idle's and runs rough most of the time. Sometimes will stall idling in gear just like turned the key off. Has NO p...	View
	1998 Subaru Forester S 2.5L compressor VIN: JF1SF6555W This car was not cooling when first looked at. So I tryed recharging no sucess. So i ordered used pump. Now it cools for a very short time pump stay engaged all the time it just continues to get hotter air in the inside compartment What puzzles me is the high ...	View
	1990 Toyota Camry DLX 2.0L Poor Idle Quality, Surge VIN: JT2SV21E6L CUSTOMER BROUGHT IN THIS VEHICLE. THE IDLE SURGES BETWEEN 1000 AND 2000 r.p.m. WHEN FIRST STARTED IT DOES NOT DO IT UNTIL ABOUT 3 TO 4 MINUTES LATER. HAVE CHECKED TIMING, A.F.M. AND T.P.S.WITH VANTAGE. I.A.C. SEEMS TO WORK IF I UNPLUG IT. OPENING THNE E.G.R. V...	View
	1996 Toyota Camry DX 2.2L Stall VIN: 4T1BG12K9T Customer complained that car stalled while braking twice in last month. Customer pulls over, puts car in park, restarts and runs fine. Car appears well maintained except for noted aftermarket parts. Checked all systems, everything appears good. Have driven car...	View
	1998 Toyota Camry CE 2.2L MIL Lamp on, po401 VIN: 4T1BG22K4W toyota techs and all members,this camary is killing me.car came in with ck engine light on,code po401 low flow,replaced modultar and vsv valve,code returned,when i apply vacuum to valve it stalls ungine,ck vac at valve while comanding vsv on i get about 15" of... Trouble codes: P0401	View
	1999 Toyota Camry CE 2.2L headlights VIN: 4T1BG22K6X Hello, I have this car that the body shop brought here, it had been hit in the front corner. The daytime running lights work. The flash part of high beam also works. But when i cover the light sensor the headlights are inop. I have tested and replaced the dayt...	View
	2000 Toyota Avalon XL 3.0L Right Front Suspension VIN: 4T1BF28B1Y Have been looking at this off and on for a couple of weeks now. Customer complains about a rattle noise over bumps. Complaint has been verified, but am unable to locate the source of the noise. First thought was the upper strut mount, which was replaced, but...	View
	2001 Toyota Solara SLE 3.0L MIL Lamp on VIN: 2T1CF22P41 Hello all, I have this car in here with a po440 code in it. I have replaced the canister and the purge vsv. I still have the light coming back on. If it test all of the solenoids they are all working. I also have run a smoke test on this and it is showing good...	View
	1995 Volkswagen Passat GLS 1.9L abs VIN: WVWAA83A6S Have this 1995 Passat GLS Diesel sedan and abs light on constantly. Have codes 00283 and FL-647 (wheel speed sensor) but no information on codes to diagnose properly. Any help would be appreciated.	View
	1996 Volkswagen Jetta GL 2.0L No Start, Hesitation, Stall, No power VIN: 3VWWB81H2T Vehicle came in with no start condition, tested spark and found ok, tested fuel pressure and found at 43psi, checked for codes and none found, sprayed carb cleaner in intake and vehicle will start and run if i hold rpms at 3000 for a clouple minutes sometimes ...	View
	2001 Volkswagen Jetta GLS 1.8L No Start, Stall, Misfire, MIL Lamp on VIN: 3VWSD69M51 hello techs i have misfires on all cylinders especially when cold as car warms runs better but still not 100%.changed and checked the obvious.any help greatly appreciated thanks. Trouble codes: 300 (random misfire), 301 (mis 1), 302 (mis 2), 303 (mis 3), 304 (mis 4)	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1996 Audi A4 2.8L radio code Thanks to everyone,who replies this post. Unfortunately cust. picked up the car without the radio's working.Have tried the procedure of 2 replies but it didn't work. Steve has this procedure this may work on AUDI delta radio : Press & hold FM1/2 & DX buttons u...	4
	2001 BMW X5 3.0i 3.0L Hesitation, Surge, Cuts out, MIL Lamp on VIN: WBAFA53561 The problem was the thottle actuator. Thank to Dana [...] for his helpful info.Installed a new actuator, wasn't overly exspensive about $200.00 from the dealer they had three instock, cleared all codes... Trouble codes: 115 (DME FWsensor/[...] voltage controlerreference voltage), 160 (DME O2 sensor signalafter cat. bank 2 min value less than limit), 51 (DME no description), 135 (DME no description), 100 (DME ECU selftest), 118 (ABS ASC no descriptionc).	4
	1991 Cadillac DeVille 4.9L Poor Idle Quality, Hesitation, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1G6CD53B3M Thanks for all that responded, it's good to know that there's fellow tech's that are willing to help. The fix was replacing the ECM, it was seeing the inputs from the MAT, ECT, and TPS but not responding. Put new ECM in and vehicle is running smooth. Thanks Ri...	10
	1995 Chevrolet Monte Carlo LS 3.1L hvac fuse #15 VIN: 2G1WW12M3S thanks for everyones help on this problem.i have removed (temporarily)the daytime running light module and the short seems to have gone away.the customer will drive the car for some time and we will see what happens. thanks again	5
	2000 Chevrolet Express 1500 5.7L brakes VIN: 1GBFG15RXY Thanks for all the replys, The rear shoues were most ofthe problem with this one. The shoes were poorly made, they were twisted in a way that they wouldn't make good contac with the drum. We also replaced the front brakes and rotors again.	9
	2000 Chevrolet S10 2.2L Hesitation, Cuts out, MIL Lamp on VIN: 1GCCS144XY I appreciate the replys. I was not able to dupicate. I replaced the throttle position sensor and customer has been driving now for 1 1/2 weeks and has had no problems. Appears this has fixed customers concern. Trouble codes: P0122.	3
	2001 Chevrolet Silverado 1500 5.3L can't reprogram pcm VIN: 2GCEC19T11 thank you for the replies. i sent my genysis otc scanner in for repair and update. so far have not had problems.	7
	2002 Chevrolet Avalanche 1500 5.3L vibration VIN: 3GNEK13T22 Jack [...] was correct in his reply the evo sensor was bad the new design has 4 wires instead of 2 with limited data from the scanners snap on solus and the mac mentor we took the gamble and replaced the sensor problem solved thanks to all who replied	8
	2002 Chrysler Town & Country LXi 3.8L Starting VIN: 2C8GP54L42 Thanks everypne for your help. We replaced the SKIM module and still had a problem. Towed it to the dealer, they replaced the SKIM module again and reprogramed the keys. The customer has been driving it for a week with no problem. We diagnosed it correctly but...	7
	2000 Dodge Grand Caravan SE 3.3L electrical VIN: 2B4GP44G3Y well guys,as most of you are probably aware there is always a story behind problems like this on. After talking with the customer at length,i found out it had been involved in an accident about 4 years ago. hit in the front. So I disassembled the front end rig...	11
	1992 Ford Ranger STX 2.3L Misfire, MIL Lamp on VIN: 1FTCR10A1N While testing all the power and grounds at the ECM we noticed .5 volts on the labscope on the ignition ground at the module every time it fired the coils. The module ground had been checked and showed good, but we added another ground to the circuit to verify.... Trouble codes: 223 (Loss of dual plug input), 224 (IDM input fault).	4
	2003 Ford F-350 Super Duty XL 6.0L Poor Idle Quality, Stall VIN: 1FFWW33P63 Dear fellowtechs: Sorry I'm so long closing this post. This truck is at least partially fixed. There were was some suggested checking glow plug resistance (they were all new); one mentioned wire chafing at the Injection Control Module (no problem here), and on... Trouble codes: P0460 (fuel level sensor fault).	8
	2000 Honda Odyssey LX 3.5L Idle VIN: 2HKRL1862Y First I want to thank everyone for there response on this problem .I first removed the throttle body and cleaned it and the idle control valve and then reinstalled them both ,the idle did not go as high as it was before but it still went up and down so i calle...	10
	2002 Honda Accord EX 2.3L fan VIN: 1HGCG6680Y The car was 2000 sorry .I ask one of our tech to see if he can check the car I give him a wire digram for coolent sensor and how to reset the vetec procedure,He found that the vetec sensor and the coolent tempreture plug was mix.when he look at the coolent dig...	3
	2001 Hyundai Sonata GLS 2.5L Misfire, MIL Lamp on VIN: KMHWF35VX1 Well, I did solve the missfire with an injector that wasn't clogged. All of the injectors inlet screens were filled with garbage. Number two was plugged completely. As far as finding the meanings and definitions to the unknown codes, no luck. They didn't sho... Trouble codes: P0302 (Missfire 2), P0081 (Unknown Powertrain code), U3118 (Unknown Network code), C0300 (Unknown ABS code), C0301 (Unknown ABS code).	4
	1994 Isuzu Rodeo LS 3.2L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy VIN: 4S2CY58V7R Thank you I found the ground wire that bolts to the center intake to look good but as advised I took a closer look to find it had some resistance. This was over looked intil I was informed by the responces to check this Thank you this helped out I appreciate y...	5
	1994 Isuzu Trooper S 3.2L shifting VIN: JACDH58V1R Hi everyone, I got 3 replies on this suggesting a broken shift rod or shift fork(s). After calling many salvage yards, the best price I could get on a used trans was north of $1,000 - my cost. With chilton labor being 7 hours for the R&R, the customer elected ...	3
	1999 Jaguar XJ8 4.0L Engine fail safe VIN: SAJAX1040X Let me start by apologizing for keeping this post open so long but the car was not fixed until last night. The Jaguar dealer did not fix the owners car so he returned it to me last week requesting replacement of the throttle body. I had been doing some more ch...	3
	1994 Jeep Wrangler S 2.5L Unknown VIN: 1J4FY19P5R Thank you to all the replies. Sorry I took so long getting a fix for this request. I wound needing surgery that took me out for a couple of weeks. I apolagize for not responding to those who asked me to. After reviewing all the replies I wanted to try another ...	12
	2000 Jeep Grand Cherokee Laredo 4.0L air duct VIN: 1J4G248S5Y Thank you guys for your help. I guess it is normal the passenger side vents does blow cold(same Temp as others) in low, 2nd speed it varies a bit in 3rd. In high speed is the issue,it can be a diff. up to 20 degrees. I made sure nothing was blocking the evap. ...	2
	2001 Jeep Cherokee Sport 4.0L air temp VIN: 1J4FT48S11 Once again I am my own worst enemy! My ace tech did not put the foam end pad on the e-core allowing air to by pass the core uncooled. It wouldn't take much bypass to raise the temp a few degrees and create a comeback. Just a lack of supervision I guess, duh!	6
	1996 Lincoln Mark VIII Anniversary 4.6L Air Ride VIN: 1LNLM91V5T This one is fixed. We replaced the pump assy. Tha took care of the problem. There is a bleed off valve that was bad. This valve is part of the pump assy. Thanks for the replies.	4
	1996 Mercedes-Benz C280 2.8L MIL Lamp on VIN: WDBHA28E0T first of all I want to thank everyone who responded, the fix was the spark plug wires, I actually removed the coil and each wire seperatly and tested them with spark tester and grounding probe, and everything checked out ok but due to mileage recommended to cu... Trouble codes: P0300, P0302, P0304, P0306, P0441.	10
	2001 Nissan Altima GXE 2.4L Poor Idle Quality VIN: 1N4DL01D21 Thanks for all the help people,by the responses I recived this must be a common problem with this engine. At this time the the owner does not have the money to repair the car and is going to drive it awhile and save up the money (we have all heard that one). T...	14
	1995 Oldsmobile 88 Royale LS 3.8L Cuts out, Stall VIN: 1G3HY52K6S thanks to all who responded. You just reinforced our feeling that either the PCM or Crankshaft position sensor were to blame. We changed both to be sure. Problem solved!	7
	1993 Plymouth Grand Voyager SE 3.3L oil pressure guage VIN: 1P4GH44R2P I have finally fixed the possessed minivan!!! After some good information about how the system worked from my replies here and beg borrow and stealing a snap-on scantool, I have found that: the oil pressure gauge is run totally by the BCM. That being said the ...	9
	1997 Pontiac Grand Am SE 2.4L Hesitation, Surge, MIL Lamp on VIN: 1G2NE12T7V well as i may have said in my original reques, all ignition parts module, plugs, boots and coils were replaced by the owner trying to fix this car prior to us seeing it. we just assumed that all parts wee working properly and after mul;tiple tests and hours of... Trouble codes: P0335, P0341.	5
	2002 Pontiac Grand Prix SE 3.1L No Start VIN: 1G2WK52J52 Thanks to all who replied. The vehicle finally refused to start completely. When this happened the mil light did not come on and the ecu would not communicate with the scanner. After checking power, grounds, and imputs we replaced the ecu and the car has not h...	5
	1987 Saab 900 S 2.0L r&r of trans VIN: YS3AS46D9H I would like to thank all of my brother master mechanics out there that took the time to respond to my question.Based upon all of your responses I am pulling the powerplant out of chasis as we speak and will perform the swap with the motor out of the car. The ...	23
	1998 Saturn SL1 1.9L MIL Lamp on VIN: 1G8ZH5289W i wish to thank all of you who responded.turns out i fixed the car by replacing 02 sensor.the problem with bank 1 sensor 1 reading 0 mv. was due to scan tool not displaying data. i have a brand new snap on solus which for some reason doesnt display sensor 1 da... Trouble codes: P0133.	10
	1997 Subaru Legacy L 2.2L Hesitation, Stall, Poor Fuel Economy VIN: 4S3BK4356V Thanks again to all who replied; the MAF sensor was at fault on this car. Fuel trims returned to normal after the new sensor was installed.	10
	1988 Volkswagen Cabriolet 1.8L No Start VIN: WVWCAO15XJ thanks to all the replies we put a used fuel dist on car now car starts an runs fine thanks again for all the help	17
	1995 Volkswagen Jetta GL 2.0L Poor Idle Quality VIN: 3VWRA81H1S I got quite a number of tips for solving the idle problem on this vehicle. Vacuum leaks, bad coil, bad idle valve were some of the suggestions. I did find a 'fix' post that fit my problem to a T. Unfortunately, the ECU is the 'fix' and this customer was willin... Trouble codes: 00533 (idle adaptation-limit exceeded), 00515 (cam position sensor-short/open).	10

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